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Exhaust Kit for Mercruiser GM Small Block 3 Inch Exhaust GLM58231

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  • Part #: GLM58231

Please Choose:

I have Fresh Water Cooling with Anti-Freeze in my Manifolds

FWC





I require the following spacers: (choose one)

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This GLM 58231 Exhaust Kit fits Mercruiser, Marine Power GM Small Block V8 with 3" exhaust hose.
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
This kit includes:

2 - GLM51110 3" Risers
risers

Gaskets, hardware and plugs included

2 - GLM # 51230 Manifolds
manifolds

This Kit will replace the Original Mercruiser equipment.


NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems.

Cross Reference Component Part Numbers
Mercury Quicksilver Manifolds 860246A10, 87114A19
  Risers 98504A3
Osco Manifolds 7114B
  Risers 8503A
Barr Manifolds MC-1-87114
  Risers MC-20-98504
GLM Manifolds 51230
  Risers 51110
  Kit (4 Manifold/Riser) 58231
Sierra Manifolds 18-1953-2
  Risers 18-1970-1
HGE Manifolds 7114
  Risers (not available)
Mallory Manifolds 9-40507
  Risers 9-40557

Cast Iron Manifolds and Risers come with a 3-year limited warranty

Extra Shipping applies for Manifold/Riser Kits: $59 for states east of the Mississippi, $79 for states west of the Mississippi
Shipping outside of the contiguous US will be sent by email after the order is placed





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