BAM Roller Lifters .904" – Chrysler R3 48° (Ritter), 1.56" Lifter Bore, 2.03" Pushrod Seat, Steel DLC Bushing

Key Features:

• .904" Diameter – Built for Maximum Performance
• Engineered specifically for Chrysler R3 48° race blocks, including Ritter-based castings.
• Delivers precision lifter-to-bore engagement, ensuring stability and accurate tracking in high-RPM environments.
• Ideal for drag racing, circle track, and elite-level Mopar engine builds.
• 1.56" Lifter Bore Compatibility
• Designed for oversized 1.56" lifter bores found in Chrysler R3 and Ritter blocks.
• Maximizes lifter bore contact area, reducing lifter walk and bore wear under extreme camshaft loading.
• Increases valvetrain integrity in high-lift, high-spring-pressure setups.
• Configuration - O/C
• On Center, Designed for optimal valvetrain alignment in high-performance builds.
• Enhances valve timing precision and supports higher RPM operation.
• Reduces stress on pushrods and rockers, improving durability and efficiency.
• 2.03" Pushrod Seat Height – Built for Raised Port Cylinder Heads
• Accommodates tall-deck heads and raised-runner Indy or Ritter configurations.
• Ensures proper pushrod length and angle, maintaining ideal rocker geometry.
• Reduces valvetrain wear and improves valve motion control in aggressive camshaft applications.
• Steel DLC (Diamond-Like Carbon) Bushing – Premium Performance & Longevity
• Features a solid steel bushing with a DLC coating for superior wear resistance and ultra-low friction.
• Eliminates needle bearing failure risk—ideal for high-RPM, high-load race applications.
• Extends lifter and camshaft life, even with fast-ramp, high-lift cams.
• Handles extreme heat and pressure, making it ideal for professional racing environments.
• 0.300" Tall Body – Increased Strength & Stability
• Provides extended lifter-to-bore engagement, improving lifter tracking at high RPM.
• Helps prevent lifter rotation, walk, and deflection under extreme conditions.
• Supports consistent valvetrain operation, especially in endurance racing formats.
• CNC-Machined Billet Steel Construction
• Made from premium-grade billet steel, heat-treated and precision-machined for maximum durability.
• Withstands the rigors of high valve spring pressure and aggressive camshaft profiles.
• Built to perform in race-level, high-horsepower Mopar applications.
• Compatible with High-Lift Camshafts
• Works flawlessly with aggressive cam profiles, improving lifter stability and performance.
• Supports accurate valve timing and reduced friction, contributing to longer engine life and better efficiency.
• Race-Proven Reliability
• Trusted by top engine builders in NHRA, circle track, and dirt racing circuits.
• Proven to handle extreme RPM, load, and temperature fluctuations without failure.
• Enhanced Oil Control & Lubrication
• Optimized for consistent oil flow and retention, reducing wear and maintaining pressure.
• Improves upper valvetrain lubrication in conjunction with pushrod oiling systems.

Applications:

• Fits Chrysler R3 48° race blocks (including Ritter-based architecture) with 1.56" lifter bores.
• Compatible with 2.03" pushrod seat heads, high-lift camshafts, and raised runner port designs.
• Perfect for high-performance drag racing, circle track, and Mopar pro-level engine builds.

Dominate the track with BAM .904" Roller Lifters—featuring Steel DLC Bushings, 1.56" bore fitment, and 2.03" seat height for bulletproof valvetrain control in your R3 48° HEMI-based engine!