Manley SBC 1.600 Severe Duty Exhaust Valves (Set of 8)Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust valves, tested at 40,000 psi and 1400? F, impressively endured up to 100,000,000 (one hundred million) cycles. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a

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Big Gun Rev Box Trx400Ex 99-04

Silicone bellow couplings are used for engine movement and easy installation

This system features factory style hangers for a perfect fit

and assembled in our Corona California production facility

the Chassis Brace minimizes lower control arm mounts and K-member deflection with no change in NVH

2018 Chevrolet Silverado 1500 LS 2007-2015

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nor has it been tested on them

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AST Linear Race Springs - 100mm Length x 340 N/mm Rate x 61mm ID - Set of 2