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Howards Cams Mechanical Roller SportMax with Direct Lube Pin Oilers Lifters; Chevy Mark IV, Gen 5/6 91158 - 91158

Howards Cams Mechanical Roller SportMax Lifters

Upgrade your Chevy Mark IV or Gen 5/6 with the Howards Cams Mechanical Roller SportMax Lifters, part number 91158. These lifters are specifically designed for the entry-level sportsman racer, providing a perfect balance of performance and affordability.

Key Features

  • High-Quality Construction: Crafted from 8620 heat-treated steel, these lifters are built to withstand the rigors of racing.
  • Durable Finish: The black oxide coating not only enhances the lifters' appearance but also provides essential protection against wear and corrosion.
  • Superior Roller Design: Equipped with 9310 steel rollers and high-strength bearings, these lifters ensure smooth operation and reliable performance.
  • Hand-Assembled Precision: Each lifter is carefully assembled by hand and rigorously checked for fit before packaging, ensuring top-notch quality.
  • Made in the USA: Proudly manufactured in the United States, supporting local craftsmanship.

Benefits of the SportMax Lifters

These lifters are not just about durability; they are designed to improve your vehicle's performance on the track. With their direct lube pin oilers, you can expect enhanced lubrication, which leads to increased longevity and reduced friction. This means you can focus on your race without worrying about your engine components.

Specifications

  • Part Number: 91158
  • Material: 8620 heat-treated steel
  • Roller Material: 9310 steel
  • Finish: Black oxide

Fitment

The Howards Cams 91158 lifters are compatible with several popular Chevy models, making them a versatile choice for many racers. Here are a few fitments:

  • Chevy Mark IV (454 CID)
  • Chevy Gen 5 (350 CID)
  • Chevy Gen 6 (454 CID)
  • Chevy 502 CID

Customer Reviews

Racers love the Howards Cams Mechanical Roller SportMax Lifters! Here’s what some customers have to say:

"These lifters have made a noticeable difference in my engine's performance. They are solid and reliable!" - Verified Buyer

"I appreciate the quality craftsmanship. You can feel the difference on the track!" - Racing Enthusiast

"Great product for the price. Perfect for my entry-level racing setup." - Satisfied Customer

Get Ready to Race

If you're looking for a reliable, high-performance option for your Chevy Mark IV or Gen 5/6, the Howards Cams Mechanical Roller SportMax Lifters (91158) are an excellent choice. With their robust construction and thoughtful design, you can hit the track with confidence!

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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