H20 T-20957 and T-20970 replacement exhaust manifold kit for Mercruiser 89011 and 98054
Single T-20957 and T-20970 Manifold Kit
$239.99Price
Select Open or Restricted for your Riser Gasket
Replaces Manifold Part Numbers:
- MerCruiser: 89011
- Barr: MC-1-89077
- Sierra: 18-1957-1
Replaces Riser Part Numbers
- MerCruiser 98503 and 98504
- Barr: MC-20-98504
- Sierra: 18-1970-1
Used on:
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GM Big Block 454 cu.in.
Backed by a 3 Year Warranty
Hardware Not Included