Holley 300-74S - Holley SysteMAX Engine Systems
Holley #510-300-74SUpper Manifold, 1986-93 5.0L EFI |
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Holley adopted a ''systems-designed'' approach as the only logical and practical way to develop their Holley SysteMAX kits. Using race-bred technology and hardcore hands-on development, Holley engineers created a system which matches the intake manifold to the camshaft. This means the Holley SysteMAX builds serious horsepower per dollar! SB-Chevy 5.7L 1967-86 BB Chevy 502 Gen VI Crate Motor - Carbureted
Engineered to produce maximum street power by allowing the engine to run more efficiently. Good for an increase of 65 horsepower over a stock 350cid with a 4bbl and 8.5:1 compression.
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Your going to love this carbureted kit thats good for 520 horses and 550 ft-lbs. of torque at 4400 RPM. Loaded with premium components.
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