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nitrided journals for exceptional wear resistance
Choose Your Configuration
Lifter Preload: Ensure your lifter preload is correctly set (using shims or Atomic Anti-Pump Lifters) to account for any geometry changes in the head (e
Every kit includes our proprietary positioning jigs that lock into existing rocker cover features
high-boost Barra and Intech environments✔️ Reliable sealing for high-revving
Atomic Barra Race Spec FULL Steel Oil Pump SOHC nitrided journals for exceptional wearAtomic Race Spec Steel Oil Pump Hand Finished & Ported Nitrided Billet Internals Why Upgrade to a Steel Housing? Factory alloy oil pumps and billet aluminium oil pumps have a fatal flaw: thermal expansion. As your engine gets hot, the aluminium housing expands faster than the steel gears inside, increasing internal clearances and causing oil pressure to dropexactly when you need it most. Additionally, under high RPM harmonics, alloy housings can flex,