BAM Roller Lifters .904" – Chrysler R3 48° Block, 1.56" Lifter Bore, 1.93" Pushrod Seat, Steel DLC Bushing

Key Features:

• .904" Diameter – Precision Fit for Mopar Race Engines
• Engineered specifically for Chrysler R3 48° race blocks to deliver exceptional lifter stability and camshaft tracking.
• Ideal for high-RPM, high-horsepower small-block Mopar race engines.
• Compatible with aggressive cam profiles and tight-clearance racing setups.
• 1.56" Lifter Bore Compatibility – Oversized for Maximum Engagement
• Designed to fit 1.56" diameter lifter bores commonly found in R3 and Ritter-based race blocks.
• Provides increased lifter-to-bore contact surface, improving rigidity and reducing lifter walk or deflection.
• Enhances valvetrain alignment and prolongs bore life under extreme conditions.
• Configuration  - O/C
• Reduces side loading on the lifter and pushrod, contributing to longer component life.
• Allows higher RPM operation with improved valvetrain dynamics and reduced wear.
• Promotes smoother valve motion and greater overall engine efficiency.
• 1.93" Pushrod Seat Height – Tuned for Custom Rocker Geometry
• Designed with a 1.93" seat height to work with custom or aftermarket rocker systems and cylinder head packages.
• Ensures correct pushrod length and rocker angle, maintaining proper valve timing and lift.
• Perfect for tall-deck or custom-head combinations in serious racing engines.
• Steel DLC (Diamond-Like Carbon) Bushing – Ultimate Durability
• Features a solid steel bushing with DLC coating for ultra-low friction, high hardness, and extreme wear resistance.
• Eliminates the risk of needle bearing failure, making it ideal for high-RPM, high-load applications.
• Performs flawlessly under aggressive camshaft loads, extending lifter and camshaft lifespan.
• Excellent heat resistance, oil retention, and mechanical reliability in racing environments.
• 0.300" Tall Body Design – Increased Stability Under Load
• Provides extended bore engagement, minimizing deflection and maximizing lifter control at high RPM.
• Ensures smooth operation and consistent valve timing in extreme conditions.
• CNC-Machined from Billet Steel
• Crafted from premium-grade billet steel, heat-treated and precision-machined to exact tolerances.
• Delivers consistent operation under the most demanding motorsport environments.
• Withstands high spring pressures, thermal cycling, and rapid acceleration/deceleration events.
• Optimized for High-Lift Camshafts
• Compatible with aggressive, high-lift cam profiles, offering smooth lifter action and stable valvetrain behavior.
• Reduces friction and component wear, improving longevity and performance.
• Race-Tested and Proven
• Trusted in top-level drag racing, oval track, and endurance racing engines.
• Built for engines requiring absolute valvetrain control, even at 8,000+ RPM.
• Superior Oil Management
• Designed to retain oil and promote consistent lubrication at the lifter-to-bore interface.
• Contributes to stable oil pressure, lower wear rates, and reliable top-end lubrication.

Applications:

• Fits Chrysler R3 48° race blocks with 1.56" lifter bores and 1.93" pushrod seat height.
• Ideal for high-end builds using custom heads, tall rocker stands, and high-lift camshafts.
• Suited for drag racing, circle track, road racing, and other extreme-use Mopar applications.

Race with confidence using BAM .904" Roller Lifters—engineered for R3 48° engines with DLC Steel Bushings, delivering the ultimate in strength, wear resistance, and race-winning performance!