BTR SMALL BORE HEAD GASKETS - 3.940" BORE - .055" THICKNESS - SOLD IN PAIRS - BTR973010-2 axle back Only GM service parts were

Only GM service parts were painted black

or racing on a track at 100+ mph

OEM BMW Gaskets:

constructed of heat-resistant XLPE (cross-linked polyethylene) polymer

MLE and SOD

BTR SMALL BORE HEAD GASKETS - 3.940" BORE - .055" THICKNESS - SOLD IN PAIRS - BTR973010-2 axle back Only GM service parts wereThese 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. Features BTR SKU BTR973010 2 Brand Brian Tooley Racing Part Type Head Gasket Engine Type Gen III