Holley GM Muscle Series Center Bolt Valve Covers Black Finish # HO241-292 Cylinder Head tuned-length primaries for decreased backpressure

tuned-length primaries for decreased backpressure and increased exhaust velocity improving HP

HP & Torque: 500 HP / 510 FT LBS

and Thunder Series AVS Carbs)

4 Corner Idle

Holley GM Muscle Series Center Bolt Valve Covers Black Finish # HO241-292 Cylinder Head tuned-length primaries for decreased backpressureHolley GM Muscle Series Center Bolt Valve Covers Black Finish # HO241 292 Valve Covers, Muscle Series Centerbolt, Chevrolet Logo, Cast Aluminum, Black Satin Painted, Baffled, 3. 22 in. Tall, Chevy, 5. 0L, 5. 7L, Pair Valve Cover Mounting Style: Centerbolt Valve Cover Height: Stock Valve Cover Top Style: Chevrolet logo Valve Cover Material: Cast aluminum Color: Black Coating Type: Powdercoated Finish: Satin Baffled: Yes Breathers Included: No Gaskets