Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters (Chevy Mark IV, Gen 5/6 91147)

If you're serious about racing and looking for top-notch lifters, the Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters are your go-to choice for Chevy Mark IV, Gen 5, and Gen 6 engines. These lifters are engineered specifically for high-performance applications, making them perfect for those who demand the best from their vehicles.

Key Features

• Solid Bushings: Unlike traditional needle bearings, these lifters utilize solid bushings in the roller tip, which enhances durability and performance under extreme conditions.
• Full Time High Pressure Oiling: The design ensures continuous oiling to the bearing axles, providing exceptional lubrication even at high RPMs.
• Lightweight Steel Alloy Bodies: Constructed from lightened steel alloy, these lifters are built to withstand the rigors of racing while keeping weight down.
• Heat Treated Components: Featuring heat-treated stainless steel link bars and case-hardened 8620 rollers, these lifters are made to last.
• Versatile Fit: With a .300" taller body, these lifters fit a variety of early, late model, and aftermarket blocks.
• Rebuildable: Designed with longevity in mind, these lifters are fully rebuildable, allowing you to maintain peak performance over time.
• Made in the USA: Proudly manufactured in the United States, ensuring quality and reliability.

Benefits

These lifters are engineered for extreme racing applications, providing the highest RPM capabilities and supporting high spring pressures. Whether you're hitting the track or pushing your engine to its limits, these lifters offer the reliability and performance you need.

Specifications

• Part Number: 91147
• Material: Steel alloy with stainless steel components
• Height: .300" taller body
• Oiling: Direct lube system
• Rebuildable: Yes

Popular Fitments

• Chevy 454 Big Block (Gen 5)
• Chevy 502 Big Block (Gen 6)
• Chevy 427 Big Block (Mark IV)

Customer Reviews

Customers rave about the performance of the Howards Cams 91147 lifters. Many have noted significant improvements in their engine's responsiveness and stability at high RPMs. Users appreciate the robust construction and the ability to rebuild the lifters, which adds to their value. Here are some highlights from customer feedback:

• "These lifters are a game changer for my race car. The performance is unmatched!"
• "I love how easy they are to maintain. The rebuildable feature is a huge plus."
• "Solid construction and excellent oiling system. Highly recommend for serious racers!"

Upgrade your racing setup with the Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters and experience the difference in performance and reliability on the track!