for years. Now, GM Performance Parts has a 454 cubic inch crate engine that ... or sourced from a scrap yard) Gen VI four-bolt big-block. The 454 HO is ... rods, and forged pistons. A roller camshaft with .510/.540" lift generates a nasty ... gear MUST be used with long blocks and partial engines with steel camshafts, or engine ... is recommended. 86 GM Performance Parts does not utilize any used or ... remanufactured parts in this crate engine. GM Performance ... Parts crate engines include a twelve-month, ... 000-mile warranty. W 454 HO TECH SPECS: Part Number: 12568774 Engine type: Chevy ... (P/N 10215228): Forged aluminum Camshaft type (P/N 24502611): Hydraulic roller ... Camshaft lift (in): .510 intake .540 exhaust ... Camshaft duration (@.050 in) 211 intake 230 ...
MUST be used with engines with steel camshafts, or engine damage will occur. GMPP HEI ... is recommended. 90 GM Performance Parts does not utilize any used or ... remanufactured parts in this crate engine. GM Performance ... Parts crate engines include a twelve-month, ... -mile warranty. W ZZ454/440 TECH SPECS: Part Number: 12498777 Engine type: Chevy ... (P/N 10215228): Forged aluminum Camshaft type (P/N 24502611): Hydraulic roller ... Camshaft lift (in): .510 intake .540 exhaust ... Camshaft duration (@.050 in): 211 intake 230 ... heads into the mix? GM Performance Parts took the venerable 454 HO, swapped the ... " big-block. The bottom end includes a Gen VI four-bolt block, a forged steel ... rods, and forged pistons. A roller camshaft with a .510/.540" lift specs delivers a ...