Cometic Multi-Layer Steel Head Gasket, 4.155" Bore, .027" Thick CMC5515-027 Product:Suits Ford 289-351W (Non SVO) 12-Point Nutfits Chev Gen III/IV

12-Point Nutfits Chev Gen III/IV LS Series (2004 & Later) With Under Cut ARP2000 Studs

12-Point S/S Nut

12-Point Head Black Oxide3/8" UNF x 4

Part Number: AR134-2303

Description: The timing cover and rear cover on GM LS series engines don't have any dowel pins to ensure correct alignment to the centre line of the crankshaft

Cometic Multi-Layer Steel Head Gasket, 4.155" Bore, .027" Thick CMC5515-027 Product:Suits Ford 289-351W (Non SVO) 12-Point Nutfits Chev Gen III/IVMulti Layer Steel HeadGasket, 4. 155" Bore, . 027" ThickSuits Ford 289 351W (NonSVO) Brand: COMETIC Part Number: CMC5515 027 Description: Cometic 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 aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand theshearing force created by the two materials. MLS