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Sierra MerCruiser 7.4 454 502 Exhaust Manifold & Riser Kit 18-1957-1 18-1957-2 18-1976-2

$895.00 $569.00
(You save $326.00)
SKU:
k-sierra454
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Product Description

Sierra MerCruiser 7.4 454 502 Big Block V8 Center Riser Exhaust Manifold & Riser Kit

 

2x Manifold 18-1957-1 SS to 18-1957-2

Replaces

  • Osco: 9011A
  • GLM: 51240
  • Mercruiser: 89011A8 , 807078T08 , 807078T10 , 89011
  • Barr marine: MC-1-89011
2x Riser Elbow 18-1976-2
Replaces:
  • MerCruiser Part Number:  44354A3 & 807914A1 & 807988Q03
  • GLM 51140
  • Osco 4354
  • Barr Marine: MC-20-44354
  • Aqua Power 5706
  • Old Sierra Number: 18-1976-1
Kit Contains:
  • 2) Exhaust Manifold
  • 2) Manifold to Riser/Elbow Gasket
  • 2) Manifold to Head Gasket
  • 2) Drain Elbow Plug
  • 2) 4" Riser Elbow
  • 8) Riser Bolts
  • Various Plugs and Fittings