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

Key Features:

• .842" Diameter – Engineered for Holden V8 Engines
• Designed to fit Holden 253 and 308 cubic inch V8 engines with standard .842" lifter bores.
• Provides a direct performance upgrade over factory lifters for street, strip, or circuit use.
• Precision-machined for exact lifter bore engagement and smooth operation.
• Configuration (O/C) – Optimized Pushrod Geometry
• On Center design improves pushrod alignment, reducing side loading and enhancing valvetrain geometry.
• Reduces side loading on lifters and pushrods, enhancing valve motion and longevity.
• Essential for aftermarket heads, raised port designs, or high-lift cam setups.
• Steel DLC Bushing – Superior Durability & Friction Reduction
• Features solid steel bushings coated with Diamond-Like Carbon (DLC) for extreme durability.
• DLC coating delivers ultra-low friction, excellent oil retention, and superior wear resistance.
• Outperforms traditional needle bearings, especially in high-RPM, high-load race conditions.
• Extends lifter, camshaft, and overall valvetrain life—ideal for endurance and competition applications.
• 0.300" Tall Body – Enhanced Lifter Bore Engagement
• Taller lifter body increases contact area with the lifter bore, reducing deflection and increasing stability.
• Maintains consistent cam tracking, even under aggressive camshaft and high-spring-pressure environments.
• Supports smoother operation and improved valvetrain control at high engine speeds.
• CNC-Machined Billet Steel Construction – Built to Perform
• Manufactured from premium billet steel and heat-treated for maximum strength and reliability.
• CNC-machined to tight tolerances for consistent performance, quiet operation, and long-term durability.
• Designed to handle aggressive cam profiles, high RPM, and competitive race conditions.
• Race-Proven Reliability – Trusted by Performance Builders
• Proven in Holden drag racing, circuit racing, and high-performance street applications.
• Handles the demands of high horsepower, fast ramp-rate cams, and tight-lash valvetrains.
• A trusted solution for builders seeking top-tier durability and precision for their Holden V8.

Applications:

• Fits Holden V8 253 & 308 CID engines with .842" lifter bores.
• Ideal for high-performance street, drag racing, circuit racing, and endurance builds.
• Compatible with high-lift camshafts, shaft rockers, and custom valvetrain geometry.
• Suited for enthusiasts demanding longevity, reliability, and maximum performance from their Holden engine.

Outfit your Holden 253 or 308 with BAM .842" Roller Lifters featuring Steel DLC Bushings – for ultra-low friction, rock-solid durability, and championship-level performance!