BTR SMALL BORE HEAD GASKETS - 3.940 inch BORE - .055 inch THICKNESS

BTR SMALL BORE 7 LAYER HEAD GASKETS - 3.940. BORE - .055. THICKNESS - SOLD IN PAIRS - BTR973010-2

 These small bore, seven layer MLS head gaskets from BTR utilize the same sealing technology found in the ever popular LS9 gasket. This is the perfect choice If you have a 4.8 or 5.3 LS and want to turn the boost all the way up! 

 WILL NOT WORK WITH A TRICK FLOW FAST AS CAST LS1 HEAD. For those and other aftermarket cylinder heads, we recommend BTR22033-2.