Part Number: 12622033 Direct replaces OEM.. Fits BTR LS9 LS1 LS2 LS3 Engine, Compatible with Chevry Corvette Cadillac CTS GM. Can also be used with All LS engines including 4.8, 5.3, 5.7, 6.0, 6.2, 7.0 blocks.. Specs: 4.100" bore, .055" compressed thickness, 5 layer..
