SPELAB Exhaust Header for 1968-1972 Chevy GMC SUV Pickup Big Block 396/402/427/454
SPELAB Exhaust Header for 1968-1972 Chevy GMC SUV Pickup Big Block 396/402/427/454 Replacing or upgrading your exhaust header is necessary for both engine performance and sound. Whether on or off the…
TL;DR: SPELAB Exhaust Header for 1968-1972 Chevy GMC SUV Pickup Big Block 396/402/427/454 Replacing or upgrading your exhaust header is necessary for both engine performance and sound. Whether on or off the track, exhaust headers provide more horsepower and improved exhaust sound. SPELAB offers many produc…
