Atomic Barra 1000hp Capable Parts Package ACL Barra Race Main Bearings - 360 Degree Thrust (Size):STD - Standard clearance 0mm 303° 298° Verified Atomic

0mm 303° 298° Verified Atomic Spec

Ideal for drag & drift builds

Oil Holes Chamfered

This allows the lifter to discharge oil instantly under sudden valvetrain shock

Atomic ATI Balancer kit (required to run reliably above 550kw at the crank)

Atomic Barra 1000hp Capable Parts Package ACL Barra Race Main Bearings - 360 Degree Thrust (Size):STD - Standard clearance 0mm 303° 298° Verified AtomicAtomic 1000HP Engine Package The Ultimate Barra Rebuild Solution Uncompromising Engineering The core philosophy of Atomic is uncompromising engineering. Every feature of this kit is designed to ensure maximum component longevity and reliability under extreme race conditions. DID YOU KNOW? We use H13 Tool Steel for our Head Studs. Most kits use ARP2000, but our H13 Tool Steel studs offer superior tensile strength, ensuring the head stays clamped down