Achieve Maximum Effort with Howards Cams 91774 Retro-Fit Hydraulic Roller Lifters

Unleash the ultimate performance from your AMC or Mopar V8 engine with the Howards Cams Inc. 91774 Maximum Effort Retro-Fit Hydraulic Roller Lifter Set. These top-tier lifters are engineered to convert older, flat tappet blocks into modern hydraulic roller configurations, providing all the benefits of a roller valvetrain without extensive machining. Experience superior power, reduced friction, and a quieter, more stable valvetrain, perfect for high-performance street and race applications.

Maximum Effort Design for AMC / Mopar V8

• Retro-Fit Capability: Seamlessly integrates into AMC and Mopar V8 blocks not originally designed for roller lifters.
• Hydraulic Roller: Offers the advantages of reduced friction, increased RPM potential, and maintenance-free operation compared to mechanical lifters.
• 0.903 inch OD: Precisely manufactured for optimal fitment and reliable performance in a wide range of AMC and Mopar V8 engines.
• Link Bar Integration: Ensures perfect lifter alignment, preventing rotation and enhancing overall valvetrain stability under extreme loads.
• Set of 16: A complete set to fully equip your engine for a performance overhaul.

Premium Performance and Durability

The 91774 lifter set is part of Howards Cams' Maximum Effort series, indicating its design for the most demanding applications. These hydraulic roller lifters provide excellent control over valve events, allowing for more aggressive cam profiles and higher spring pressures than traditional flat tappets. The result is a significant increase in horsepower and torque across the RPM range, coupled with the long-term durability and reduced wear characteristic of roller designs. Elevate your AMC or Mopar V8 to its peak potential with Howards Cams.

Vehicle Fitment

Fits AMC V8 and Mopar V8 engines, specifically designed as a retro-fit solution for blocks not originally equipped with roller lifters. Features 0.903" OD.