BAM Roller Lifters .842" – Holden V8 253–308, On Center Configuration (O/C), Bronze Bushing

Key Features:

• .842" Diameter – Engineered for Holden V8 Performance
• Designed for Holden V8 engines, including 253 and 308 CID configurations.
• Direct-fit replacement for OEM-style lifters with a significant upgrade in strength, stability, and precision.
• Ideal for performance street builds, drag racing, and circuit applications.
• Configuration (O/C) – Optimized Pushrod Clearance
• On Center design improves pushrod alignment, reducing side loading and enhancing valvetrain geometry.
• Reduces side loading on pushrods and rockers, enhancing lifespan and motion efficiency.
• Essential for use with aftermarket heads, raised ports, or aggressive cam profiles where clearance is critical.
• Bronze Bushing – High-Performance, Reliable Design
• Equipped with solid bronze bushings for excellent oil retention and low-friction operation.
• Handles high loads and elevated RPM with ease, ideal for race-ready engines.
• More durable and consistent than needle bearings, reducing the risk of failure under high spring pressures.
• Provides quiet, smooth operation and long-lasting performance in demanding environments.
• 0.300" Tall Body – Enhanced Stability and Support
• Taller lifter body design increases lifters-to-bore engagement, reducing deflection under high stress.
• Promotes smooth camshaft tracking, ideal for high-lift cams and high-RPM conditions.
• Improves overall valvetrain control and consistency, especially at wide-open throttle.
• CNC-Machined Billet Steel Construction – Built to Last
• Machined from premium-grade billet steel, heat-treated for maximum strength and wear resistance.
• Precision CNC machining ensures tight tolerances, perfect fitment, and consistent lifter action.
• Withstands aggressive camshaft profiles and high valve spring loads with confidence.
• Race-Proven Performance – Trusted by Holden Builders
• Engineered for Holden performance enthusiasts, racers, and engine builders looking for a competitive edge.
• Proven in drag racing, endurance motorsports, and high-output street engines.
• Delivers the durability and precision required for modern valvetrain demands.

Applications:

• Fits Holden V8 engines including 253 and 308 cubic inch platforms with .842" lifter bores.
• Perfect for high-lift camshaft setups, shaft rocker systems, and aggressive valvetrain geometry.
• Ideal for performance street, drag racing, circuit racing, and custom Holden builds.
• A reliable solution for those seeking durability, oil control, and long-term performance.

Upgrade your Holden 253 or 308 V8 with BAM .842" Roller Lifters featuring Bronze Bushings – for superior oil control, high-RPM strength, and race-bred reliability!