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Vivid Racing Gear 
Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters - Chevy Mark IV, Gen 5/6 (91047)
If you're serious about racing or high-performance builds, the Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters (part number 91047) are designed to meet your needs. These lifters are engineered for extreme conditions, making them a top choice for enthusiasts who demand the best from their engines.
Key Features
- Solid Bushing Design: Unlike traditional lifters that use needle bearings, these lifters are equipped with solid bushings in the roller tip. This design enhances durability and performance, especially under high spring pressures.
- Full-Time High Pressure Oiling: The UltraMax lifters feature continuous oiling to the bearing axles, ensuring that your engine stays lubricated even during the most aggressive racing conditions.
- Lightweight Construction: Made with lightened steel alloy bodies and a special enhanced finish, these lifters reduce weight without compromising strength.
- Durable Components: With heat-treated stainless steel link bars and case-hardened 8620 rollers, these lifters are built to withstand the rigors of high-performance applications.
- Versatile Fitment: The .300” taller body allows compatibility with early, late model, and aftermarket blocks, making them a flexible choice for various builds.
- Fully Rebuildable: Designed for longevity, these lifters can be rebuilt, offering great value over time.
- Made in the USA: Quality craftsmanship you can trust, right from the heart of America.
Benefits
These lifters are specifically crafted for severe racing applications, providing the highest RPM and spring pressure capabilities available. Whether you're building a track-ready machine or enhancing your daily driver, the UltraMax lifters deliver performance and reliability that you can count on.
Popular Fitments
The Howards Cams 91047 lifters are compatible with a range of Chevrolet engines, including:
- Chevy 454 Big Block (Mark IV)
- Chevy 502 Big Block (Gen 6)
- Chevy 350 Small Block (with modifications)
Customer Feedback
Here’s what some satisfied customers have to say about the Howards Cams 91047 lifters:
"These lifters made a noticeable difference in my engine's performance. The solid bushings are a game-changer!"
- Jason R.
"I love how these lifters hold up under pressure. Perfect for my racing setup!"
- Mark T.
"Installation was straightforward, and the performance boost was immediate. Highly recommend!"
- Sarah L.
Specifications
- Part Number: 91047
- Type: Mechanical Roller Lifters
- Body Height: .300” taller
- Material: Steel alloy, stainless steel link bars, case-hardened rollers
Upgrade your engine's performance with the Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters. Designed for those who demand excellence, these lifters are ready to take your build to the next level!
⚠ 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.
