4.630 MLS Head Gasket .066 - BBC 1968-oldsmobile-cutlass-supreme-esi7774429 720 in Head - 0

720 in Head - 0

Engine - SHP - Bare Block - 4 in Bore - 9

Engine Oil Dipstick - Flexible - Pan Mount - 5/8-18 in Thread - Billet / Braided Stainless - Screw-In - Natural - Big / Small Block Ford - Each

5 in ID - 7 in Length - 325 lb/in Spring Rate - Steel - Red Powder Coat - Each

The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow® technology

4.630 MLS Head Gasket .066 - BBC 1968-oldsmobile-cutlass-supreme-esi7774429 720 in Head - 0Cylinder Head Gasket 4. 630 in Bore 0. 066 in Compression Thickness Multi Layer Steel Big Block Chevy Each