Code / Price	Name / Description
BAR1-0104    $10.20     Quantity in Basket: none	Block Off Plate, Stainless Steel Stainless Steel plate used on "Barr style" center riser manifolds. It is sandwiched between 2 gaskets to seperate and block the coolant in the manifold from from going out of the riser on fresh water (closed system) cooled applications. Fits OSCFL994, OSC994 and BARCHVA-1-84 Manifolds
BAR1-0104P    $14.95     Quantity in Basket: none	Fresh Water Cooling Package, Barr Marine Center Riser This Package includes a Stainless Steel plate and two Riser Gaskets used on "Barr style" center riser manifolds. The Block off Plate is sandwiched between the two riser gaskets to separate and block the coolant in the manifold from from going out of the riser on fresh water (closed system) cooled applications. Fits OSCFL994, OSC994 and BARCHVA-1-84 Manifolds
BARMC-20-55730    $11.90     Quantity in Basket: none	Block Off Plate, Stainless Steel, Mercruiser stainless steel block off plate that was used on the older Mercruiser V-8 engines with log style manifolds and fresh water cooling. It is sandwiched between 2 riser gaskets and placed between the manifold and riser to block the coolant from escaping out of the riser.
BARMC-20-87918    $10.95     Quantity in Basket: none	Block Off Plate, Stainless Steel, Mercruiser, Center Riser Direct replacement stainless fresh water-cooling block off plate for use with Mercruiser Models 898R, 228R and 260R Fits OSC9745, OSC7114B, OSC9011 center riser manifolds with fresh water cooling NOTE: This item WILL NOT FIT Dry Joint Exhaust Systems.
BARMC-20-99208    $9.78     Quantity in Basket: none	Plate, Block Off, Stainless, V-Hole, Mercruiser Direct replacement stainless block off plate with bleeder "vent" holes for use with Mercruisers with fresh water cooling Fits OSC4354 and OSC8503A Risers
BARMC-50-806926    $14.02     Quantity in Basket: none	Drain, Elbow, 90°, Brass 90 degree brass elbow generally used as a drain on most center-rise manifolds. It has a 3/4" N.P.T. thread with a 1.0" hose end.
BPI89170    $39.95     Quantity in Basket: none	Water Shutter, 4 inch, Mercruiser 4" Water Shutter for a Mercruiser. It goes into the "Y" Pipe on most V-6 & V-8 engines to help prevent water from backing into the manifold and engine. A swivel design and is sold in pairs. This item replaces Mercruiser OEM # 807166A3.
BPIMANCONVKIT    $529.00     Quantity in Basket: none	Conversion Kit, Exhaust, GM 262 4.3L V6, Mercruiser Kit to Convert 1-piece manifold/riser to accept a 2-piece manifold/riser setup without changing the Y-Pipe. Includes 2 MER14478T01 Exhaust Elbows (or equivalent) Fits Mercruiser V6 NOTE: This kit DOES NOT include the manifolds required for conversion.
GLM12691    $7.49     Quantity in Basket: none	Anode Kit, Mercruiser Exhaust Exhaust Manifold Anode Kit for Mercruiser (GLM12692 + GLM21895) 1-9/32 3/4 NPT 14 Teeth
GLM12692    $3.19     Quantity in Basket: none	Anode, Mercruiser Exhaust Exhaust Manifold Anode for Mercruiser
GLM13992    $2.49     Quantity in Basket: none	Drain Plug Assembly, Mercruiser Center Rise Manifolds Drain Plug Assembly for use in Mercruiser center rise manifolds OEM: 22-806608A1
GLM31480    $1.99     Quantity in Basket: none	Riser Gasket, Barr Log Style Manifold Riser Gasket fits BARMC20-72963 & BARMC20-76668 risers
GLM31710    $7.95     Quantity in Basket: none	Manifold Gasket, Mercruiser 3.7L Exhaust Manifold Gasket for a 3.7L (224 C.I.D.) Mercruiser. This item replaces Merc. # 27-68715.
GLM32175    $6.79     Quantity in Basket: none	Manifold Mounting Kit, Mercruiser V6 Manifold Mounting Kit for Mercruiser 4.3L V6 includes 1 manifold gasket, 6 mounting bolts
GLM33570    $9.95     Quantity in Basket: none	Exhaust Manifold Gasket, GM 2.5, 3.0L middle years Exhaust Manifold Gasket for GM 2.5/3.0L 153/181 cid Inline 4 Cylinder. This item replaces Merc. # 27-96429, & OMC # 912164.
GLM33580_    $9.19     Quantity in Basket: none	Exhaust Manifold Mounting Gasket, Mercruiser GM 3.0LX Exhaust Mounting Gasket 181 "LX" Engines OEM: 27-815528
GLM39120    $23.29     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser GM Big Block V8 Complete exhaust gasket set for GM 7.4L 454 cid Big Block V8 with log style manifolds OEM: 27-46820A1
GLM39280    $22.95     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser GM Small Block V8 Complete exhaust gasket set for Mercruiser GM 5.0/5.7L Small Block V8 OEM: 27-33395A2
GLM39290    $15.95     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser GM 2.5L 153 4 Cylinder Exhaust Manifold Gasket Set for Mercruiser GM 2.5L 153 cid 4 cyl. OEM: 27-35898A-4
GLM39300    $12.95     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser GM 3.0L 4 Cylinder Late Exhaust Manifold Gasket Set for late model Mercruiser GM 3.0L 181 cid 4 cyl. with MERCARB Carburetor OEM: 27-53354A1
GLM39310    $14.69     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser Ford Small Block V8 Log Style Exhaust Manifold Gasket Set for Mercruiser Ford 5.0/5.8L 302/351 cid with log style manifolds OEM: 27-54566A1
GLM39320    $11.95     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser 2.5L, 3.0L Exhaust Manifold Gasket Set for Mercruiser GM 2.5/3.0L 153/181 cid OEM: 27-99777A1
GLM39870    $9.19     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser GM 4.3L V6 83-01 Manifold and Riser Gasket Set (2 manifold gaskets /2 riser gaskets) for Mercruiser GM 4.3L 262 cid 175, 185 and 205 HP 1983-2001.
GLM39880    $20.00     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser GM Small Block V8 83-01 Manifold and Riser Gaskets (2 manifold/2 riser gaskets) for Mercruiser GM 5.0/5.7L Small Block V8 1983-2001
GLM39890    $20.19     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser GM Big Block V8 83-Up Manifold and Riser Gaskets (2 manifold/2 riser gaskets) for Mercruiser GM 7.4/8.2L 454/502 cid GM Big Block V8 1983-up
GLM53100    $5.69     Quantity in Basket: none	Riser Mounting Kit, Mercruiser, 6371 Style Riser Mounting Kit for Mercruiser. Fits 76351A2 (GLM51120, OSC6351) and 76771A2 (GLM51120, OSC6771) Risers
GLM53110    $7.29     Quantity in Basket: none	Riser Mounting Kit, Mercruiser, GLM51130 Riser Mounting Kit for GLM51130 Riser on Mercruiser
GLM53120    $10.09     Quantity in Basket: none	Riser Mounting Kit, Mercruiser, 8561 Style Riser Mounting Kit for Mercruiser with Aluminum Manifolds. (8561 Style)
GLM53130    $8.09     Quantity in Basket: none	Riser Mounting Kit, Mercruiser, Cast Iron Manifolds Riser Mounting Kit for Risers on Mercruiser with Cast Iron Manifolds
GLM53300    $8.99     Quantity in Basket: none	Riser Mounting Kit, Mercruiser, 3" Riser Without Spacer Mounting Kit for 3" Riser on Mercruiser without Spacer, Raw Water Cooled
GLM53330    $13.49     Quantity in Basket: none	Riser Mounting Kit, Mercruiser, 3" Riser, 3" Spacer Riser Mounting Kit fits Mercruiser with 3" Riser and 3" Spacer, Raw Water Cooled
GLM53360    $13.49     Quantity in Basket: none	Riser Mounting Kit, Mercruiser, 3" Riser, 6" Spacer Riser Mounting Kit for Mercruiser with 3" Riser and 6" Spacer
GLM53400    $9.99     Quantity in Basket: none	Riser Mounting Kit, Mercruiser 4" (4354 Style) Riser Mounting Kit For A Mercruiser V-6 or V-8 With 4 Inch Center Risers. Mercruiser Started Using 4 Inch Center Risers during 1986, Which Was A Transition Year to go From 3 Inch To 4 Inch. After 1986, they Are All 4 Inch. This Fits Center Riser Manifolds That Use an Osco Riser 4354, Or A GLM Riser 51140.
GLM53430    $15.19     Quantity in Basket: none	Mounting Kit, Elbow, Mercruiser 4 inch riser with 3 inch spacer Elbow Mounting Kit for Raw Water Cooled Mercruiser with 4 inch Risers and 3 inch spacers.
GLM53781    $18.49     Quantity in Basket: none	Manifold, Riser Mounting Kit, GM 305 5.0L, 350 5.7L V8, Barr, Indmar, Marine Power Barr Style Exhaust Mounting Kit includes 2 Manifold Gaskets, 2 Riser Gaskets and hardware. Fits Small Block GM V8 with Barr Style Manifolds
GLM53782    $29.39     Quantity in Basket: none	Manifold, Riser Mounting Kit, GM 454 7.4L, 502 8.2L V8, Barr, Indmar, Marine Power Barr Style Exhaust Mounting Kit. It includes 2 Manifold Gaskets, 2 Riser Gaskets and hardware. This kit Fits Big Block GM V8 with Barr Style Manifolds.
GLM53783    $19.69     Quantity in Basket: none	Manifold, Riser Mounting Kit, Barr Style, Ford V8 Barr Style Exhaust Mounting Kit includes 2 Manifold Gaskets, 2 Riser Gaskets and hardware. Fits Ford V8 with Barr Style Manifolds
GLM89160    $17.95 This part has been superseded by MAL9-42801. Quantity in Basket: none	Water Shutter 3", Mercruiser 3" Water Shutter for Mercruiser, with Swivel design. Sold Each OEM: 99370A2
GLM89240    $19.95     Quantity in Basket: none	Protector Valve, Exhaust, 3" Mercruiser Flapper for Thru-Hull 3" Exhaust on Mercruisers OEM: 34765A1
GLM89260    $35.95     Quantity in Basket: none	Flapper Valve, Mercruiser 5-6" Exhaust Flapper Valves with Clamps Fits Mercruiser with 5" and 6" Flapper valves
MAL9-41200    $7.95     Quantity in Basket: none	Drain Assembly, Mercruiser Manifolds Drain Assembly Replaces: Mercruiser 22-806926A1 Fits: MCM & MIE V-6 & V-8 with center riser manifolds
MAL9-41201    $6.95     Quantity in Basket: none	Drain Cock, Manifolds, Blocks Brass Drain Cock. It will fit Manifolds & Blocks with 1/4" NPT threads. This item replaces OMC # 379957 & Others.
MAL9-42800    $18.95     Quantity in Basket: none	Water Shutter, Mercruiser 4 Cylinder-Small Block V8 Water Shutter, Exhaust fits Fits: Mercruiser 4 cyl - V8 SB Replaces: Mercruiser 60930
MAL9-42801    $14.95     Quantity in Basket: none	Water Shutter, Exhaust, Mercruiser Water Shutter used in the Y-Pipe on a Mercruiser Sterndrive. It will fit V-6 & V-8 Engines from 1982-87 with a 3 inch Exhaust Y-Pipe. This item replaces: Mercruiser # 99370A2.
MAL9-42802    $21.95     Quantity in Basket: none	Water Shutter, Exhaust, Mercruiser Exhaust Water Shutter for a Mercruiser Sterndrive. It is used in the 4.0" Exhaust Y-Pipe 1987 & Up. These Water Shutters are sold as Each. This item replaces Mercruiser 807166A3 & 14348T.
MAL9-61400    $10.95     Quantity in Basket: none	Gasket, Manifold, GM 7.4-8.2L 454-502 cid CW-GH Manifold Gasket for GM 7.4/8.2L 454/502 cid Replaces: Mercruiser 27-46820, OMC 909613, Crusader 96653, Barr CHVA-47-0000
MAL9-61401    $5.95     Quantity in Basket: none	Gasket, Manifold GM 305 5.0L, 350 5.7L V8, 4-Bolt Holes CV-GH Exhaust Manifold Gasket Replaces: Mercruiser 27-33395 Fits GM 305 5.0L, 350 5.7L V8 with 4 bolt holes
MAL9-61402    $22.95     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser GM SB V8 Exahust Manifold Gasket Set Replaces: Mercruiser 27-33395A 2 For: GM 305, 327, 350 cid w/end outlet exhaust Manifold
MAL9-61404    $21.95     Quantity in Basket: none	Exhaust Manifold Gasket Set, Mercruiser Inline 6 Gasket Set, Exhaust Manifold Replaces: Mercruiser 27-46401A1 For: 165 hp 250 cid in-line 6cyl.
MAL9-61405    $12.95     Quantity in Basket: none	Gasket Set, Manifold, Mercruiser GM 181 CID 3.0L Late MerCarb Gasket Set, Exhaust Manifold Replaces: Mercruiser 27-53354A1 For: Late Model 140 hp 3.0L with MerCarb s/n 3332137 - 6229717
MAL9-61406    $12.95     Quantity in Basket: none	Gasket Set, Manifold, Mercruiser GM 153, 181 CID 2.5, 3.0L Gasket Set, Exhaust Manifold Replaces: Mercruiser 27-99777A1 For: 2.5 & 3.0L engines s/n 6229718 & up
MAL9-61407    $4.00     Quantity in Basket: none	Riser Gasket, Mercruiser Gasket, Exhaust Elbow Replaces: Mercruiser 27-99777 2 For: 120 1983-newer, 140/3.0L, 470,165 (6cyl), GM V-8 1982-older, Ford V-8 (6351-G Style)
MAL9-61419    $9.95     Quantity in Basket: none	Gasket, Manifold, Mercruiser GM 153, 181 CID 2.5, 3.0L 1983-95 Gasket, Exhaust Manifold Replaces: Mercruiser 27-96429; OMC 912164 For: 2.5L & 3.0L 1983-95
MAL9-61420    $6.95     Quantity in Basket: none	Gasket, Exhaust Manifold, Ford SB V8 FL-GH Exhaust Manifold Gasket Replaces: Mercruiser 27-73866; OMC 908717; Volvo 3852455; PCM For: Ford, 302/351 cid V-8
MER10-43749    $3.95     Quantity in Basket: none	Riser Bolt for 4354 Riser, Mercruiser Riser Bolt 5-3/4" for 4354 Risers
MER10-44387    $3.95     Quantity in Basket: none	Screw, Riser, 6.75", Mercruiser Riser Bolts 6-3/4"
MER10-865982005    $1.25     Quantity in Basket: none	Riser Bolt, Stainless Steel for V8 Riser, Mercruiser For mounting risers in some Mercruiser V8s
MER25-43809    $0.95     Quantity in Basket: none	Grommet-Exhaust Flapper Pin, Mercruiser Grommet for Water Shutter (Flapper Valve) on Mercruiser Note: 2 Required Per Side
MER27-864549A02    $31.95     Quantity in Basket: none	Gasket, Elbow-Riser, Mercruiser Dry-Joint, Fresh Water Cooled 02-up riser/elbow gasket Mercruiser Dry-Joint Exhaust with closed cooling - block off gasket It fits GM V6 and V8 engines with Dry-Joint Exhaust Manifold (2002 and newer) Replaces OEM: 27-864549A02
MER27-864850A02    $31.95     Quantity in Basket: none	Gasket, Elbow-Riser, Mercruiser, Dry-Joint Raw Water Cooled 02-up riser/elbow gasket Mercruiser Dry-Joint Exhaust with standard cooling - restrictor gasket It fits GM V6 and V8 engines with Dry-Joint Exhaust Manifold (2002 and newer) Replaces OEM: 27-864850A02
MER45586    $29.95     Quantity in Basket: none	Exhaust Shutters, Mercruiser Inline 4, 6 and 3.7L Water Shutter for Exhaust on Mercruiser Inline Engines
MER60930    $21.95     Quantity in Basket: none	Water Shutter, 3" Butterfly Design, Mercruiser 73-up 3" Flapper (Water Shutter), Butterfly Design for various Mercruiser 1973 and newer
MER60931    $10.95     Quantity in Basket: none	Retainer, Water Shutter, Mercruiser Retainer for MER60930 Water Shutter
MER807166A1    $59.95     Quantity in Basket: none	Shutter, Water, Mercruiser GM V6, V8 Water Sutter that fits many Mercruiser applications. It is 2-1/2" wide and 6-1/8" long This valve has a butterfly action and comes with 2 grommets. Sold as Each.
MER807166A3    $74.95     Quantity in Basket: none	Water Shutter, Mercruiser Y-Pipe 4" Water Shutter (pair) for Mercruiser Y Pipe
MER99370A2    $19.95     Quantity in Basket: none	Flapper, Mercruiser 3" Water Shutter that was used on V-6 & V-8 Mercruiser applications with center riser manifolds from 1982 thru 1987. It's purpose is to keep water from backing into the Riser & Manifold.
OSC0879-G    $7.00     Quantity in Basket: none	Riser Gasket -Mercruiser (GLM32460) Exhaust Riser Gasket for a 3.7L Mercruiser. It fits OSC0879 riser 3.7L with cast iron manifold (same as GLM32460)
OSC0879-MK    $9.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser OSC0879 Riser Mounting Kit fits OSC0879 risers
OSC1851MK    $16.95     Quantity in Basket: none	Spacer Mounting Kit for Mercruiser OSC1851 Spacer mounting kit fits OSC1851 Spacer
OSC2076MK    $5.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser OSC2076 Riser Mounting Kit for OSC2076 Riser Osco Manifolds and Risers come with a 3-year warranty (PDF)!
OSC3320-MK    $18.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser Mounting Kit For 3" Spacer with 3" Riser on Mercruiser
OSC3320-MK-X    $18.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser Mounting Kit For 3" Spacer with 4" Riser on Mercruiser
OSC3322MK    $6.95     Quantity in Basket: none	Riser Mounting Kit, 6" Mercruiser Mounting Kit for 6" Spacer with 4" Riser
OSC4354-MK    $16.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser Mounting Kit fits OSC4354 risers
OSC48043    $3.00     Quantity in Basket: none	End Cap Gasket, Mercruiser End Plate Gasket fits OSC60252 & OSC54870 end caps
OSC5538-G    $3.00     Quantity in Basket: none	Riser Gasket, Mercruiser Riser Gasket fits OSC5538 risers
OSC5538-MK    $6.95     Quantity in Basket: none	Exhaust Mounting Kit, Mercruiser Mounting Kit fits OSC5538 risers
OSC560-MK    $11.95     Quantity in Basket: none	Manifold Mounting Kit-Mercruiser Mounting Kit fits OSC5603, OSC5604 manifolds
OSC60207    $9.95     Quantity in Basket: none	Manifold Plate, Stainless Steel, Mercruiser Stainless Steel Plate with a weep hole used on log style Mercruiser manifolds prior to 1983. The Plate is sandwiched between 2 OSC6351-G gaskets and fits OSC7234B, OSC7235B, OSC5603, OSC5604 manifolds with raw water cooling.
OSC60252-MK    $6.95     Quantity in Basket: none	Manifold End Plate Mounting Kit, Mercruiser End Plate Mounting Kit for a Mercruiser. This is for the End Plates on the Ford and GM log style Manifolds prior to 1983. The kit contains the Gasket and mounting hardware. Mounting Kit fits OSC60252. Includes OSC48043.
OSC6325-MK    $6.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser Mounting Kit fits OSC6325 risers
OSC6351-G    $4.00     Quantity in Basket: none	Riser Gasket, Mercruiser Riser Gasket for a Mercruiser application. It is used with riser OSC6351 and riser OSC6771. (same as GLM31520)
OSC6371-MK    $6.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser Riser Mounting Kit for Mercruiser V8s with log style manifolds, and some inline 6 cylinder, all prior to 1982. It is for riser OSC6351 and OSC6771.
OSC6371-MK-SP    $15.95     Quantity in Basket: none	Mounting Kit, Riser, OSC6351, OSC6771 Riser Mounting Kit fits OSC6351, GLM51120, and OSC6771 Risers. Includes OSC60207 stainless plate with weep hole, (2) OSC6351-G riser gaskets and hardware. Not for fresh water/closed cooling systems. Fits GM Small Block V8, 305-350 cid, models 198, 228, 898 Fits Ford Small Block V8, 302-351 cid, models 215, 225, 233, 255, 888
OSC7214-MK    $11.95     Quantity in Basket: none	Manifold Mounting Kit for OSC7114B, OSC7214, OSC7234B, OSC7235B Mercruiser Mounting Kit For a Mercruiser Center Riser Manifold. It fits a small block GM from 1983 & up using OSC7114B, OSC7234B, OSC7235B manifolds. This kit contains the gasket from the manifold to the cylinder, and the mounting hardware.
OSC8503-GB    $6.00     Quantity in Basket: none	Riser Gasket, Blank for Mercruiser block off Riser Gasket used on Mercruiser V6 & V8 engines with center riser manifolds from 1983 & up. This is used when the manifolds are fresh water cooled. It fits OSC4354, OSC8503A & BARMC20-98502 risers
OSC8503-GO    $4.00     Quantity in Basket: none	Riser Gasket, Open for Mercruiser open Riser Gasket used on Mercruiser V6 & V8 engines with center riser manifolds from 1983 & up. It fits OSC4354, OSC8503A & BARMC20-98502 risers
OSC8503-GR    $4.00     Quantity in Basket: none	Riser Gasket, Restrictor for Mercruiser restricted Riser Gasket used on Mercruiser V6 & V8 engines with center riser manifolds from 1983 & up. It fits OSC4354, OSC8503A & BARMC20-98502 risers
OSC8503-SS    $10.95     Quantity in Basket: none	Plate, Block Off, Stainless Steel, Mercruiser, Center Riser Direct replacement stainless fresh water-cooling block off plate for use with Mercruiser Models 898R, 228R and 260R
OSC8503A-MK    $6.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser OSC8503A Riser Mounting Kit fits OSC8503A risers
OSC8561-G    $10.95     Quantity in Basket: none	Riser Gasket Mercruiser 3.7L (GLM32470) Riser / Elbow gasket for a 3.7L with an aluminum manifold. It is used with Riser OSC8561 with aluminum manifold. (same as GLM32470)
OSC8561-MK    $12.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser (OSC8561) Mounting Kit fits OSC8561 risers
OSC8759-MK    $28.95     Quantity in Basket: none	Manifold Mounting Kit, Mercruiser OSC8759 Manifold Mounting Kit fits OSC8759 manifolds
OSC9011-MK    $11.95     Quantity in Basket: none	Manifold Mounting Kit, Mercruiser (OSC9011) mounting kit for a Mercruiser Center Riser Exhaust Manifold on Big Block applications. The kit includes a manifold gasket and bolts for one side and fits OSC9011 manifolds.
OSC9745-MK    $11.95     Quantity in Basket: none	Manifold Mounting Kit, Mercruiser (OSC9745) Mounting Kit fits OSC9745 manifolds
OSC992-G    $6.00     Quantity in Basket: none	Gasket, Riser (OSC992) Open Riser Gasket that will fit a Barr style manifold and riser set-up with standard cooling. This Riser Gasket fits OSC992 & OSC99204 Risers.
OSC992-G-FW    $6.00     Quantity in Basket: none	Riser Gasket, Fresh Water Cooling, Barr Style Riser Gasket for Fresh Water Cooled applications
OSC992MK    $6.95     Quantity in Basket: none	Riser Mounting Kit, fits OSC992 Risers (Mercruiser, Volvo) Mounting Kit fits OSC992 risers
OSC992MK-FW    $6.95     Quantity in Basket: none	Riser Mounting Kit, Fits OSC992 Risers, Fresh Water Cooled Mounting Kit fits OSC992, OSC99204, and OSC2018 risers on Fresh Water Cooled applications
OSC994MK    $11.95     Quantity in Basket: none	Manifold Mounting Kit, fits OSC994 Manifolds (Mercruiser, Volvo) Manifold Mounting Kit for a Barr Style Manifold used on a Small Block Chevrolet V8. It is used with manifold OSC994.
OSCCRR-14S    $76.95     Quantity in Basket: none	Spacer, 4", Mercruiser OSCCRR 4" Spacer. It uses Mounting Kit OSCCRR-MK or OSCCRR-MK-FW (fresh water closed cooling). Risers will need their own mounting kits.
OSCCRR-G    $4.00     Quantity in Basket: none	Gasket, Exhaust Riser, Mercruiser (OSCCRR series) Gasket, riser and spacer to manifold. Allows cooling water to pass from manifold to riser or spacer Included in OSCCRR-MK Mounting Kit. Fits OSCCRR-1, and OSCCRR-3 Risers. See Illustration for installation:
OSCCRR-G-FW    $6.00     Quantity in Basket: none	Gasket, Riser, Center Riser V8 Block Off, FWC Gasket, riser to manifold. Blocks cooling water from passing from manifold to riser or spacer. Fits OSCCRR-1, and OSCCRR-3 Risers. See Illustration for installation:
OSCCRR-MK    $6.95     Quantity in Basket: none	Mounting Kit, Riser for Mercruiser (OSCCRR-1) Mounting Kit fits OSCCRR-1 risers
OSCCRR-MK-FW    $5.95     Quantity in Basket: none	Riser Mounting Kit, Mercruiser OSCCRR-1, OSCCRR-3 riser/spacer Mounting Kit. It fits OSCCRR-1 and OSCCRR-3 risers and OSCCRR-14S Spacer. It is used for closed cooled or recirulated manifolds. Kit includes OSCCRR-G-FW gasket and mounting hardware.
OSCCV-GH    $7.00     Quantity in Basket: none	Gasket, Manifold GM 305 5.0L, 350 5.7L V8 Manifold Gasket for GM 5.0/5.7L 305/350 cid
OSCCVCR-MK    $11.95     Quantity in Basket: none	Mounting Kit, Manifold (OSCCVCR818) Mounting Kit fits OSCCVCR818 manifolds
OSCCW-GH    $7.95     Quantity in Basket: none	Gasket, Manifold, GM 454 7.4L, 502 8.2L V8 Manifold Gasket for GM 7.4/8.2L 454/502 cid
OSCCW994-MK    $11.95     Quantity in Basket: none	Mounting Kit, Manifold , Barr Style GM 454 7.4L, 502 8.2L V8 Manifold Mounting Kit for OSCCW994 Manifolds Big Block GM V8 with Barr Style Manifolds
OSCCY4-GH    $6.95     Quantity in Basket: none	Gasket, Manifold GM 153 2.5L 4 Cyl Manifold Gasket for GM 2.5L 153 cid
OSCCY6-GH    $13.95     Quantity in Basket: none	Gasket, Manifold GM Inline 6 Cyl Manifold Gasket for GM Inline 6 Cyl. formerly OSCMO6-GH
OSCF68C9    $7.95     Quantity in Basket: none	Fitting, Manifold Hose, 0.75" X 1" 90° 3/4" NPT X 1" ID 90° elbow
OSCF68CS    $7.95     Quantity in Basket: none	Fitting, Manifold Hose, 0.75" X 1" Straight 3/4" NPT X 1" ID straight
OSCFL-GH    $6.00     Quantity in Basket: none	Gasket , Manifold, Ford 302 5.0L, 351 5.8L V8 Manifold Gasket for Ford 5.0/5.8L 302/351 cid
OSCFL994-MK    $12.50     Quantity in Basket: none	Mounting Kit, Manifold, OSC994 Mounting Kit fits OSC994 manifolds
OSCFLCR-MK    $11.95     Quantity in Basket: none	Mounting Kit, Manifold, Mercruiser OSCFLCR818 Mounting Kit fits OSCFLCR818 manifolds
OSCMO4-GH    $7.00     Quantity in Basket: none	Gasket, Manifold, GM 181 3.0L Manifold Gasket for GM 3.0L 181 cid