Manley Valve Spring TOYOTA SUPRA 2JZ

Manley Performance Products was founded in 1966 by Hank Manley in Bloomfield, New Jersey, and has built engine hardware for legendary racers including Don Garlits, Bill Jenkins, and Joe Mondello. Now headquartered in Lakewood, New Jersey with a second facility in Orange, California, Manley produces forged pistons, connecting rods, crankshafts, stainless valves, and valve springs entirely in-house. The Platinum Series pistons are CNC-machined from 2618 alloy, while the signature Turbo Tuff Pro Series I-Beam and H-Beam rods are forged from 4340 vacuum-degassed steel for boosted four- and six-cylinder builds. Applications span Subaru EJ, Ford EcoBoost and Coyote, Nissan VR/RB, Honda K-series, and LS platforms.