Wilwood Residual Valve w/ Fittings - 10 Lb (Red) SFIDRKSAH All inline tees have 1/2"NPT

All inline tees have 1/2"NPT threads for probe fittings and 1/4" holes for mounting

Holley 4500 HP Carburetor

The big difference is in the shank design

Chevelle 1964-72

Powerful high-temp detergents to clean fuel injectors

Wilwood Residual Valve w/ Fittings - 10 Lb (Red) SFIDRKSAH All inline tees have 1/2"NPTWilwood two pound and ten pound residual pressure valves retain a minimum brake line pressure to help eliminate excessive pedal travel in both disc and drum brake systems. The two pound valve is used in disc brake applications where the master cylinder is mounted below the horizontal plane of the calipers and fluid drain back occurs from gravity and vibration, thereby causing excessive caliper piston retraction and a longer brake pedal stroke. The