Upgrade your engine's sealing performance with TOMEI Super Grommet, featuring a dual sealing system that combines bead structure and metal grommet. Crafted from robust metal, this gasket outperforms traditional designs, ensuring maximum efficiency and durability. Ideal for Subaru models including Impreza WRX STi, Forester XT, and Outback. Available in various sizes for a customized fit, choose excellence with TOMEI for superior sealing reliability.

Discover the TOMEI Super Grommet, a game-changer in gasket innovation. Crafted from premium metal, it outshines traditional bead-type designs, offering unmatched durability. Unlike standard grommet designs, our Dual Sealing System ensures top-tier sealing efficiency, making it the ideal choice for Subaru Impreza WRX - EJ20, Subaru Forester GT - EJ20, and Subaru Legacy - EJ20. Choose from various sizes: - 93.5mm, 0.7mm thickness (1361935071) - 93.5mm, 1.0mm thickness (1361935101) - 93.5mm, 1.2mm thickness (1361935121) - 93.5mm, 1.5mm thickness (1361935151) - 93.5mm, 1.8mm thickness (1361935181) Elevate your vehicle's performance with the TOMEI Super Grommet, where precision meets durability. Select your preferred thickness for a seamless fit and experience a new standard in gasket excellence.

Secure optimal metal clearance for the crankshaft during high rotation and heavy loads with our advanced crank bearing cap. Unlike conventional bolt and nut setups that concentrate force unevenly, our stud bolt employs dynamic threading to disperse bolting force across all screw threads, ensuring mighty and damage-resistant bolting power. Engineered for excellence, it's the perfect fit for *RB20DET*, *RB25DET*, and *RB26DETT* engines. Elevate performance and durability with our innovative solution.

Optimize crankshaft performance with our precision-engineered crank bearing cap. It ensures strict metal clearance during high rotation and load, resisting bend and torsion vibrations. Unlike traditional bolts, our stud bolt design disperses bolting force evenly across threads, generating mighty power without risking damage. Ideal for Mitsubishi Lancer Evolution 4 (4G63) engines, it's the key to enhanced durability and performance.

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.

Optimize head gasket performance with our advanced stud bolt solution. Unlike traditional bolts, our dynamic threading evenly distributes bolting force, ensuring superior cooling, rigidity, and sealing for your engine. Tailored for RB26DETT, our innovation minimizes stress and maximizes durability, unlocking peak performance.

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.

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.

Elevate your engine's performance with TOMEI forged pistons. Designed to endure extreme conditions, our pistons, crafted from high-strength aluminum alloy, outperform stock OEM options. Withstand combustion pressures up to 200 kgf and 11 tons of force, while handling temperatures of 2,500 degrees Celsius. Trusted in highly tuned RB26 and SR20 engines, our pistons mirror those used in Group C and F1 racing. The kit includes pistons, rings, pins, and circlips, with bore size options for customization. Choose TOMEI for precision and durability, pushing your engine beyond stock limits.