Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) turn14-in-stock This increase allows our intake

This increase allows our intake to capture the maximum amount of cool air to feed that hungry turbo

Specifically engineered for the 2020-2025 Toyota GR Supra equipped with the L6-3

Skunk2 Acura B17A1

Matched set of 8 460cc/min Injectors for Chevrolet Silverado/Sierra 00-06

Installation is simple and can be completed in just minutes

Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) turn14-in-stock This increase allows our intakeManufacturer Part # : 12355 8 Market Description Manley 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