Cometic Multi Layer Steel Head Gasket CMH2138SP6040S Product:Suit Holden 304-308, 4.060" Bore .040" Thick With 1/2" Bolt Holes 2-1/2" Primary Into 3" Collector

2-1/2" Primary Into 3" Collector Outlet

1-1/8" Drop Base

Suit GM LSA

Stainless Steel 2 into 1 Merge Collectors

Cometic Multi Layer Steel Head Gasket CMH2138SP6040S Product:Suit Holden 304-308, 4.060" Bore .040" Thick With 1/2" Bolt Holes 2-1/2" Primary Into 3" CollectorMulti Layer Steel Head GasketSuit Holden 304 308, 4. 060" Bore . 040" Thick With 1 2" Bolt Holes Brand: COMETIC Part Number: CMH2138SP6040S Description: MLS (Multi Layer Steel) Head Gaskets Provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminium heads to aluminium blocks and aluminium heads to cast iron blocks. They can withstand the shearing force created by the two