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Vivid Racing Gear 
Howards Cams Hydraulic Roller Retro-Fit ProMax High RPM Lifters
Overview
If you're looking to boost the performance of your Chevy Mark IV or Gen 5/6 engine, the Howards Cams Hydraulic Roller Retro-Fit ProMax High RPM Lifters (part number 91171) are a fantastic choice. Designed for those who push their engines to the limit, these lifters are built to handle RPM ranges exceeding 7000, making them perfect for high-performance builds.
Key Features
- High RPM Capability: These lifters excel at high RPMs, ensuring that your engine can perform at its best when you need it most.
- Advanced Internal Valving: The new internal valving design enhances torque and horsepower, giving your engine that extra kick.
- Durable Construction: Crafted from alloy steel bar stock, the lifter body is fully machined for strength and reliability.
- Case Hardened Nose Wheel: Made from 8620 material, the nose wheel is designed for durability, ensuring longevity even under stress.
Specifications
- Seat Pressure: 200-225 lbs.
- Open Pressure: 500-575 lbs.
- Made in the USA: Quality you can trust, right from the heart of American manufacturing.
Popular Fitments
The Howards Cams 91171 lifters are compatible with a variety of Chevy models, including:
- Chevrolet Camaro (Gen 5/6)
- Chevrolet Corvette (C4, C5)
- Chevrolet Chevelle (Mark IV)
Customer Reviews
Users rave about the performance of the Howards Cams 91171 lifters. Here’s what some customers have to say:
- Performance Boost: "These lifters took my engine to a whole new level. The power delivery is fantastic!"
- Durability: "I’ve put these through their paces, and they’ve held up without a hitch. Highly recommend!"
- Easy Installation: "Installation was straightforward, and the performance gains were immediately noticeable."
Fitment Notes
When installing the Howards Cams 91171 lifters, be mindful of the specific lash adjustments required for optimal performance. Ensure that your valve spring pressure meets the specified requirements to get the best results from your setup.
Upgrade your engine with confidence, knowing that the Howards Cams Hydraulic Roller Retro-Fit ProMax High RPM Lifters are designed for serious performance enthusiasts. Get ready to feel the difference!
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Howards Cams is an aftermarket company that Howards Johansen founded in 1945. It started as Howards Power & Racing Equipment and specialized in manufacturing high-performance racing cams for the automotive market. Even after turning the business over their oldest son, the company remained one of the best cam manufacturers in the industry.
Maximizing Their Racing ExperienceThe company has always used it is on-track experience to create powerful cam profile designs. It is why they have become one of the favorite brands of many top fuel dragster racers and drivers from other racing disciplines such as road racing, mudd bogging, marine racing, and circle track racing.
Advanced Manufacturing TechniqueHowards Cams uses the most advanced computer design software to create the most competitive product out there. They offer a wide range of performance parts from camshafts, connecting rods, crankshafts, billet main caps, and forged pistons. All of these are made in the USA to ensure consistent quality.
Purchase Howards Cams Products At Vivid RacingIf you are in the market for high-performance parts for your engine, then look no further as Howard Cams is the brand for you. They have all the parts you need to create a fast machine and is trusted by many racers and enthusiast worldwide. If being on the top podium is your dream, then upgrade your engine with Howard Cams parts.
To know more about the company, visit Vivid Racing and check out their list of products that fit your specific needs.
