84 k20 8.1 vortec swap comp cam 8.1 Vortec Stroker Kit
Raylar's 4.75" stroker kit for the 496 / 8.1L Vortec engine brings the Only mods were the intake and carb. Carb wasn't jetted for a stock engine so was a little rich. The Raylar 4.75-inch stroker kit bumps displacement to 547 cubes using all forged rotating parts. Stock 8100 cranks and pistons are cast with The Vortec 8100 was the last big block Chevy available for GM trucks—and what a legend it was 🦍 ...