Mercruiser Exhaust Gaskets And Mounting Kits→Riser Mounting Kit

Part # & Price	Description
GLM53100 $6.95	Riser Mounting Kit, Mercruiser, 6371 Style Riser Mounting Kit for Mercruiser. Fits 76351A2 (GLM51120, OSC6351) and 76771A2 (GLM51120, OSC6771) Risers
GLM53110 $8.95	Riser Mounting Kit, Mercruiser, GLM51130 Riser Mounting Kit for GLM51130 Riser on Mercruiser
GLM53120 $13.95	Riser Mounting Kit, Mercruiser, 8561 Style Riser Mounting Kit for Mercruiser with Aluminum Manifolds. (8561 Style)
GLM53130 $10.95	Riser Mounting Kit, Mercruiser, Cast Iron Manifolds Riser Mounting Kit for Risers on Mercruiser with Cast Iron Manifolds
GLM53300 $10.95	Riser Mounting Kit, Mercruiser, 3" Riser Without Spacer Mounting Kit for 3" Riser on Mercruiser without Spacer, Raw Water Cooled
GLM53330 $35.95	Riser Mounting Kit, Mercruiser, 3" Riser, 3" Spacer Riser Mounting Kit fits Mercruiser with 3" Riser and 3" Spacer, Raw Water Cooled
GLM53360 $16.95	Riser Mounting Kit, Mercruiser, 3" Riser, 6" Spacer Riser Mounting Kit for Mercruiser with 3" Riser and 6" Spacer
GLM53400 $18.95	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 $66.95	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.
OSC0879-MK $10.95	Riser Mounting Kit for Mercruiser 90880A 2 Cast Iron Manifolds Riser Mounting Kit fits Mercruiser # 90880A 2; Barr # MC-20-90880; Osco # 0879; GLM # 51170; Mallory # 9-40550 risers. Replaces: Sierra # 18-8500; Mallory # 9-40577
OSC1851MK $39.95	Spacer Mounting Kit for Mercruiser OSC1851 Spacer mounting kit fits Osco # 1851 Spacer
OSC2076MK $6.95	Riser Mounting Kit for Mercruiser OSC2076 Riser Mounting Kit for Osco # 2076 Riser Replaces: Sierra # 18-8551; Mallory # 9-40585 Osco Manifolds and Risers come with a 3-year limited warranty (PDF)!
OSC3320-MK $22.95	Riser Mounting Kit for Mercruiser Mounting Kit For 3" Spacer with 3" Riser on Mercruiser Replaces: Barr # MC-20-93320A3P; GLM # 53331; Sierra # 18-8554; Mallory # 9-40582
OSC3320-MK-X $22.95	Riser Mounting Kit for Mercruiser using 3 Inch Spacer Block and 4 Inch Riser Mounting Kit For 3" Spacer with 4" Riser on Mercruiser Replaces: Barr # MC-20-93320A3P; GLM # 53430; Sierra # 18-8555; Mallory # 9-40583
OSC3322MK $7.95	Riser Mounting Kit, 6" for Mercruiser Mounting Kit for 6" Spacer with 4" Riser on Mercruiser Replaces: Barr # MC-20-93322A3P; GLM # 53361; Sierra # 18-8556; Mallory # 9-40584
OSC4354-MK $17.95	Riser Mounting Kit for Mercruiser OSC4354 Riser Mounting Kit fits Osco # 4354 risers on Mercruiser Replaces: Barr # MC-20-44354P; GLM # 53400; Sierra # 18-8505; Mallory # 9-40578
OSC5538-MK $7.95	Exhaust Mounting Kit for Mercruiser Mounting Kit fits Osco # 5538 risers Replaces Barr # MC-20-55538P; Sierra # 18-8508; Mallory # 9-40571
OSC60252-MK $7.95	Manifold End Plate Mounting Kit for 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 Osco # 60252. Includes Osco # 48043. Replaces: Barr # 1-60252P; Sierra # 18-8512; Mallory # 18-40570
OSC6325-MK $7.95	Riser Mounting Kit for Mercruiser OSC6325 Riser Mounting Kit fits Osco # 6325 risers Replaces: Barr # MC-20-60426P; Sierra # 18-8552; Mallory # 9-40586
OSC6371-MK $7.95	Riser Mounting Kit for Mercruiser OSC6351 Riser Riser Mounting Kit for Mercruiser V8s with log style manifolds, and some inline 6 cylinder, all prior to 1982. It is for riser Osco # 6351 and Osco # 6771. Replaces: Barr # 20-0082-P; Sierra # 18-4362; Mallory # 9-40170
OSC6371-MK-SP $16.95	Mounting Kit, for Risers: OSC6351, OSC6771 Riser Mounting Kit fits Osco # 6351, GLM # 51120, and Osco # 6771 Risers. Includes Osco # 60207 stainless plate with weep hole, (2) Osco # 6351-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 Replaces: Sierra # 18-8514; Mallory # 9-40579
OSC8503-SS $15.95	Plate Block Off Stainless Steel for Mercruiser Center Riser Fresh Water Cooling Direct replacement stainless fresh water cooling block off plate for use with Mercruiser Center Riser Non Dry Joint Exhaust Systems.
OSC8503A-MK $7.95	Riser Mounting Kit for Mercruiser OSC8503A Riser Mounting Kit fits Osco # 8503A risers Replaces: GLM # 53300; Sierra # 18-8529; Mallory # 9-40580
OSC8561-MK $14.95	Riser Mounting Kit for Mercruiser OSC8561 Risers Mounting Kit fits Osco # 8561 risers on Mercrusier 3.7L Replaces: Sierra # 18-8530; Mallory 9-40581
OSC992MK $7.95	Riser Mounting Kit, fits OSC992 Risers for Mercruiser, Volvo Penta Mounting Kit fits Osco # 992 risers Replaces: Barr # 20-0082-P; Sierra # 18-4364; Mallory # 9-40171
OSC992MK-FW $7.95	Riser Mounting Kit, for OSC992 Risers, Fresh Water Cooled Mounting Kit fits Osco # 992, Osco # 99204, and Osco # 2018 risers on Fresh Water Cooled applications Replaces: Sierra # 18-8535; Mallory # 9-40173
OSCCRR-MK $7.95	Mounting Kit, Riser for Mercruiser (OSCCRR-1) Mounting Kit fits Osco # CRR-1 risers