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Howards Cams Mechanical Roller ProMax Direct Lube Lifters; Chevy Mark IV, Gen 5/6 91190 - 91190

Howards Cams Mechanical Roller ProMax Direct Lube Lifters (Chevy Mark IV, Gen 5/6 91190)

Looking to take your Chevy Mark IV, Gen 5, or Gen 6 engine to the next level? The Howards Cams Mechanical Roller ProMax Direct Lube Lifters (part number 91190) are designed specifically for performance enthusiasts who demand the best. These lifters are the go-to choice for pro racers, providing exceptional reliability and power under pressure.

Key Features

  • Full-Time High Pressure Oiling: Unlike most oiling lifters that operate on a timed basis, these lifters deliver continuous oil to the roller bearing shafts. This ensures optimal lubrication even at high RPMs, allowing for greater engine performance.
  • Lightweight Steel Alloy Bodies: Constructed from premium materials, the ProMax lifters feature lightened steel alloy bodies with a specialized finish for durability and longevity.
  • Heat Treated Components: The lifters come with heat-treated stainless steel link bars and case-hardened 8620 rollers, ensuring they can withstand the rigors of high-performance racing.
  • Rebuildable Design: These lifters are fully rebuildable, allowing you to maintain and extend their lifespan without needing a complete replacement.
  • Made in the USA: Proudly manufactured in the United States, these lifters uphold the highest standards of quality and craftsmanship.

Benefits of Using Howards Cams 91190 Lifters

With the Howards Cams 91190 lifters, you can expect improved performance and reliability in your engine. Their design allows for higher RPM capabilities and can handle increased spring pressures, making them ideal for both street and race applications. Whether you’re hitting the track or just cruising around town, these lifters will keep your engine running smoothly.

Specifications

  • Part Number: 91190
  • Body Height: .300" taller than standard lifters
  • Material: Steel alloy with stainless steel components
  • Compatibility: Fits early, late model, and aftermarket blocks

Popular Fitments

  • Chevy 454 Big Block
  • Chevy 427 Big Block
  • Chevy 396 Big Block
  • Chevy 350 Small Block (with appropriate modifications)

Customer Reviews

Users rave about the performance and reliability of the Howards Cams 91190 lifters. Here are some highlights from customer feedback:

  • "These lifters made a noticeable difference in my engine's performance. I can feel the power increase!" - Performance Enthusiast
  • "Installation was straightforward, and I love that they're rebuildable. Great investment!" - Happy Customer
  • "I've used other lifters before, but these are by far the best. They handle high RPMs without issues!" - Track Racer

Upgrade your engine with the Howards Cams Mechanical Roller ProMax Direct Lube Lifters (91190) and experience the difference that quality engineering can make.

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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