Manley Valve - Exhaust, Valve-S/D 1.600,+.200 Shopify Collective QA1 offers stock mount

QA1 offers stock mount

Use 4 percent for prevention of limited slip chatter in broken-in units (typical one 4 oz

The kit is completely bolt-in

This eliminates almost all upper trailing arm bushing movement

78-88 GM G-Body

Manley Valve - Exhaust, Valve-S/D 1.600,+.200 Shopify Collective QA1 offers stock mountManley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million cycles, while competitors failed after just