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Exhaust Manifold Kit for Mercruiser GM V6 262 4.3L 4 Inch GLM58222


  • Part #: GLM58222

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


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GLM 58222 Exhaust Manifold Riser Kit for Mercruiser, V6 1987 & up with 4 Inch exhaust hose and a two piece exhaust system. Accepts Ignition Box and shift Junction box and all other factory brackets and fittings.

This kit includes:

2 - GLM # 51140 4" Risers

2 - GLM # 51220 Manifolds
Includes Gaskets, Fittings and Riser Mounting Hardware.

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

Cross Reference Component Part Numbers
Mercruiser Manifold: 99746A17
  Riser: 807988A2, 44354A3
Osco Manifold: 9745
  Riser: 4354
Barr Manifold: MC-1-99746
  Riser: MC-20-44354
GLM Manifold: 51220
  Riser: 51140
  Kit (4" Manifold/Riser): 58222
Sierra Manifold: 18-1952-1
  Riser: 18-1976-1
Mallory Manifold: 9-40505
  Riser: 9-40559

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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