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Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters; Chevy Mark IV, Gen 5/6 91146 - 91146

Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters

If you're looking to boost your Chevy Mark IV, Gen 5, or Gen 6 performance, the Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters (Part Number 91146) are just what you need. Designed with the serious racer in mind, these lifters offer an unbeatable combination of durability and efficiency.

Product Features

  • Solid Bushing Design: Unlike traditional lifters that use needle bearings, these lifters feature solid bushings in the roller tip. This upgrade enhances their ability to withstand extreme conditions, making them perfect for high-performance applications.
  • High Pressure Oiling: Enjoy "Full Time" high-pressure oiling to the bearing axles. This continuous lubrication keeps your lifters running smoothly, even under the most demanding circumstances.
  • Lightweight Construction: The UltraMax lifters are crafted from lightened steel alloy, ensuring that they are robust yet lightweight. This design helps improve your engine's overall efficiency.
  • Heat Treated Components: Featuring heat-treated stainless steel link bars and case-hardened 8620 rollers, these lifters are built to last, even in the harshest racing environments.
  • Versatile Fit: With a .300" taller body, these lifters fit a range of early and late model blocks, as well as aftermarket options, making them a versatile choice for many Chevy builds.
  • Fully Rebuildable: Designed for longevity, these lifters can be fully rebuilt, allowing you to maintain peak performance without needing to replace the entire unit.
  • Made in the USA: Proudly manufactured in the USA, ensuring high-quality standards and performance.

Benefits of the UltraMax Lifters

These lifters are not just about performance; they are engineered for reliability and efficiency. The solid bushings and continuous oiling mean you can push your engine to higher RPMs without worrying about premature wear. Whether you're on the track or the street, these lifters will help you get the most out of your engine.

Popular Fitments

The Howards Cams 91146 lifters fit a variety of popular Chevy models, including:

  • Chevrolet Camaro (1970-1981)
  • Chevrolet Corvette (1968-1982)
  • Chevrolet Chevelle (1970-1972)
  • Chevrolet Impala (1967-1970)

Customer Reviews

Here's what some users are saying about the Howards Cams 91146 lifters:

"These lifters have completely changed my engine's performance. The solid bushings hold up under high RPMs, and the oiling system is fantastic!" - John D.

"I installed these in my Camaro for the track, and I couldn't be happier. They handle the pressure and keep everything running smoothly." - Mike S.

"Absolutely worth the investment. They are easy to rebuild and have proven to be incredibly durable." - Lisa R.

Specifications

  • Part Number: 91146
  • Body Height: .300" taller than standard
  • Material: Steel alloy with heat-treated components
  • Rebuildable: Yes
  • Country of Origin: USA

Upgrade your Chevy's performance with the Howards Cams Mechanical Roller UltraMax Bushed Direct Lube Lifters and experience the difference in your ride!

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is Howards Cams?

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 Experience

The 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 Technique

Howards 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 Racing

If 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.

Warranty: Howards Cams Hydraulic/Mechanical Flat Tappet Camshafts are 100% Rockwell checked and parkerized at our manufacturing plantin Wisconsin. Howards Cams hydraulic and mechanical lifters are also 100% Rockwell checked for hardness to ensure that our customers receive the best American made components available. To give our customers a performance edge, Howards Cams will unconditionally replace to the original purchaser only, any non-usable hydraulic or mechanical flat tappet camshafts and lifters for 1/2 the amount of the original invoiced purchase price for a period of 6 months from the date of original retail purchase. Howards™ Cams does not warrant the performance of our products due to Howards™ Cams lack of control during product installation and usage. This applies to all camshafts, valve train components and all other racing components in our catalog and product line. Note: Due to oil available today, all Flat Tappet Cams (hydraulic or mechanical) must be initially ran with a quality break-in lube, such as Howards Z.P.M. Max. There is absolutely no warranty, expressed or implied or otherwise, on Howards Cams parts, labor, installation charges or other damaged parts. Howards Cams assumes no responsibility or liability whatsoever on incidental or consequential damages. There are no implied warranties of merchantability or fitness for a particular purpose. Howards Cams neither assumes nor authorizes any person to assume for it, any other obligation or liability in connection with the sale or use of our products. Howards Cams will replace or refund any part that has a manufacturers defect found before installation or alteration. Customers are responsible for blueprinting engine components before installation or startup.

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