DLC Coated 1.45" Tappets | 5.9L 6.7L Cummins | 1989-2018

1.45″ Steel Tappets – Designed for High RPM & Heavy Valve Spring Pressures

Upgrade your valvetrain with our 1.45″ Steel Tappets, engineered to handle 110# or heavier valve springs in high-rpm, performance-focused diesel engines. Built for superior wear resistance and consistent lift, these tappets help maintain precise valvetrain geometry under extreme conditions.

Key Benefits

• High RPM Durability: Perfect for race or competition builds pushing beyond typical street RPM ranges.
• Supports Heavy Spring Pressures: Stable under 110# or greater valve spring seat pressure, ensuring reliable performance.
• Steel Construction: Delivers excellent wear resistance and extended service life compared to stock components.
• Improved Valvetrain Geometry: Reduces deflection and maintains accurate valve lift for optimal power output.

Whether you’re chasing horsepower gains or simply seeking bulletproof reliability under heavy load, our 1.45″ Steel Tappets provide the strength and consistency your engine demands.