LS-3 6.2 2008-2010 HYPER-COATED 4.070 BORE LS-3 6.2 2008-2010 HYPER-COATED 4.085 BORE 454 FORGED 454 DISH TOP 4.185 22 MM PIN 454 FORGED FLAT TOP 4.185 22 MM PIN LS-2/LS-3 HYPER COATED FLAT TOP 4.070 BORE