Sierra manifolds are painted, packaged and leak tested. Replaces Marine Power 0991-100 Application Port & Starboard center rise with gaskets, most Marine Power GM 7.4 L - 8.2L, V8 big blocks & others.
Use gasket 0418 and mounting kit 8532

SOME SHIPPING RESTRICTIONS AND ADDITIONAL CHARGES MAY APPLY ON THIS ITEM. IF APPLICABLE OUR TEAM WILL CONTACT FOLLOWING PURCHASE