Chevrolet Performance 4.140" Bore Cylinder Head Gasket 0.051" Compression Thickness Multi-Layered Steel LS7/C5R - GM LS-Series TRI-UB240 AFR has revived their popular Size:12 Wide STIAA0114AF2640101 Resist Carbon Tracking 5846-001

AFR has revived their popular 220cc powerhouse due to overwhelming request from customers for a larger bolt on standard valve location head

and a integral mounting flange

Drilled and slotted aluminum support strengthens Dirt Late Model and Modified rear roof area

Brackets work with the standard secondary arm as well as a throttle adjust-ment-screw secondary arm

Chevrolet Performance 4.140" Bore Cylinder Head Gasket 0.051" Compression Thickness Multi Layered Steel LS7 C5R GM LS Series TRI UB240 AFR has revived their popular Size:12 Wide STIAA0114AF2640101 Resist Carbon Tracking 5846 001 AFR has revived their popular 220cc powerhouse due to overwhelming request from customers for a larger bolt on standard valve location head and a integral mounting flange