See all Engine products
Product thumb
Howards Cams Mechanical Roller RaceMax Vertical Bar Lifters; Chevy Mark IV, Gen 5/6 91135-2
$120.94

Howards Cams Mechanical Roller RaceMax Vertical Bar Lifters

Designed for Performance

Get ready to upgrade your Chevy Mark IV or Gen 5/6 with the Howards Cams Mechanical Roller RaceMax Vertical Bar Lifters (part number 91135-2). These lifters are crafted for racers who demand reliability and precision. With a focus on durability and performance, these lifters are a fantastic choice for anyone looking to enhance their engine's capabilities.

Key Features

  • Heat-Treated 8620 Steel Billet Bodies: Built to withstand the rigors of racing, ensuring longevity and performance.
  • CNC Machined for Precision: Each lifter is machined in a single process, guaranteeing the utmost accuracy in all part features.
  • Increased Oil Band Diameter: This design offers maximum rigidity, which is crucial for high-performance applications.
  • Precision Ground Fit: These lifters fit perfectly in both OEM and +.300" tall aftermarket lifter bores.
  • Durable Axles and Bearings: Made from heat-treated tool steel and nitrided for extra strength, plus precision-fitted roller bearings for smooth operation.
  • Pressure Fed Axle Oiling: This feature ensures longevity and serves as the best defense against premature failure.
  • Made in the USA: Quality craftsmanship you can trust.

Benefits of Choosing Howards Cams Lifters

By opting for the Howards Cams 91135-2 lifters, you’re not just purchasing a part; you’re investing in your vehicle's performance. These lifters are engineered to handle the demands of racing, providing the reliability you need when every second counts. With their precision design, you can count on them to deliver consistent performance lap after lap.

Specifications

  • Part Number: 91135-2
  • Material: Heat-treated 8620 steel
  • Fitment: Compatible with Chevy Mark IV, Gen 5/6
  • Axle Type: Heat-treated tool steel nitrided axles

Popular Fitments

  • Chevy Corvette (C3) - 1968-1982
  • Chevy Camaro - 1970-1981
  • Chevy Chevelle - 1970-1972
  • Chevy Nova - 1968-1974

Customer Reviews

Customers rave about the Howards Cams 91135-2 lifters, highlighting their reliability and performance on the track. Here’s what some users are saying:

  • “These lifters have completely changed my engine's performance. I’ve noticed a significant improvement in responsiveness!”
  • “Installation was a breeze, and they fit perfectly in my aftermarket setup. Highly recommend for serious racers!”
  • “I’ve run these lifters for a full season, and they still perform like new. Worth every penny!”

Upgrade your engine with confidence. The Howards Cams Mechanical Roller RaceMax Vertical Bar Lifters (91135-2) are ready to take your performance to the next level.

Proposition 65

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

Howards Cams Banner

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.

Check out these other great products