At Virtual Speed Performance, boost your LS9 build with the Brian Tooley Racing BTR22033-2 head gasket set—sold in pairs for driver and passenger side. These 7-layer MLS (multi-layer steel) gaskets feature a 4.100″ bore and .055″ compressed thickness, engineered for leak-free performance on forced-induction or high-output LS9 and other Gen III/IV LS engines. Direct replacement for GM part #12622033, proven reliable north of 1,000 hp for extreme durability under heat and boos
- BTR Cylinder Head Gasket
- 4.100 in Bore
- 0.055 in Compressed Thickness
- Driver / Passenger Side
- Multi-Layered Steel
- GM LS-Series
- Pair