Upgrade your Nissan or Subaru injectors effortlessly with our DENSO Injector Upgrade Kit. Engineered for high-powered gains in tuned engines, this kit includes a versatile coupler compatible with DENSO round coupler connectors. Suitable for both top-feed and side-feed oval connector type injectors, the package comes complete with 1 Coupler, 2 Terminals, and 2 Wire Seals. Ensure peak performance in your vehicle with this essential upgrade, specifically tailored for DENSO injector types.

Optimize head gasket performance with our innovative stud bolts, designed for Toyota 4AG engines. Unlike traditional bolts, our dynamic threading disperses bolting force evenly across all screw threads, preventing concentrated stress and damage. Enhance cooling, rigidity, and sealing efficiently with this powerful solution for cylinder head and block combinations.

Elevate head gasket performance with our advanced stud bolt solution tailored for Nissan VQ35DE. Unlike common bolts, our dynamic threading design disperses bolting force evenly across all screw threads, preventing concentration issues and ensuring robust sealing, cooling, and rigidity. Say goodbye to limitations and potential damage?experience unparalleled bolting power for sustained engine reliability.

Maximize head gasket performance with our innovative stud bolt solution designed for the 4G63 engine. Unlike conventional bolt and nut combinations, our dynamic design disperses bolting force across all screw threads, preventing concentration and potential damage. This optimized approach ensures superior strength, addressing key factors like cooling, rigidity, and sealing for enhanced durability. Upgrade your engine's reliability with our stud bolt solution.

Elevate your engine tuning with the TOMEI Fuel Delivery Pipe, a performance-driven solution for Nissan Skyline models (R32 GTR, R33 GTR, R34 GTR). Designed to handle oversized injectors, ensure precise gasoline delivery, and enhance heat radiation, this pipe guarantees stable pumping pressure. Unleash the full potential of your engine with TOMEI's cutting-edge technology.

Experience the epitome of engine performance with our meticulously crafted pistons. From the combustion chamber to the cylinder, our forged aluminum alloy pistons redefine strength, enduring combustion pressures of 200 kgf and an astonishing 11 tons of force. Unlike stock OEM counterparts, our pistons are designed for highly modified engines, boasting resilience in the face of extreme temperatures and pressures. TOMEI pistons, trusted in elite RB26 and SR20 engines, share the precision found in Group C and F1 racing. Elevate your engine discreetly with our piston kits, available in bore sizes 86.5mm, 87.0mm, and 87.5mm, each including pistons, rings, pins, and circlips for a comprehensive enhancement. Choose your bore size and unlock unparalleled power.