The 454 big block Chevy is still a popular build option for when there is no replacement for displacement!

Chevy 454 Big Block Budget Build: Recipes for 400-600 HP

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

Vortec 4.8 LS Build: Horsepower Recipes, Specs, & Upgrades

Intake Manifold Gaskets Gm Chevy V8 W Block 409

Engine Gasket Sets Gm Chevy V8 W Block 409

Cylinder Head Gaskets Gm Chevy V8 W Block 409

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