Description
These 7.4 / 454 engines are equipped with Comp Cams 11-106-3 solid lifter cam shafts for that nostalgic 427 L88 & 454 LS6 performance & sound! Consists of CNC Machined engine block, crankshaft, connecting rods, pistons, piston rings, cylinder heads & GM Performance valve covers.
• 1970 to 1990 Blueprinted 454 Long block
• 2-piece real main seal block with fuel pump provision.
Hypereutectic pistons, 9 to 1 compression ratio for pump gas
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