Manley Valve - Exhaust, Valve-S/D 1.600,+.200 Shopify Collective Heavy Duty Shock Design QA1

Heavy Duty Shock Design QA1 Engineers have tackled the challenge of supporting the weight and payload capacity of modern trucks by designing a heavy-duty version of our Pro Coil system

78-88 GM G-Body

QA1 offers stock mount

BMRs Lower A-Arms (AA758) greatly improve steering feel and response and are designed specifically for racing applications

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

Manley Valve - Exhaust, Valve-S/D 1.600,+.200 Shopify Collective Heavy Duty Shock Design QA1Manley 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