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high-boost Barra and Intech environments✔️ Reliable sealing for high-revving
nitrided journals for exceptional wear resistance
Includes 12pt double hex nuts
350 inches) — Optimized for the 86mm destroker crank
Atomic Barra Race Spec FULL Steel Oil Pump SOHC high-boost Barra and Intech environments✔️Atomic 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,