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Howards Cams Promax High RPM Hydraulic Roller Lifter Set Chevrolet Mark IV | Gen 5 | Gen 6 - 91173

Howards Cams Promax High RPM Hydraulic Roller Lifter Set for Chevrolet

If you're looking to maximize your engine's performance on the track, the Howards Cams Promax High RPM Hydraulic Roller Lifter Set is designed specifically for Chevrolet Mark IV, Gen 5, and Gen 6 engines. This lifter set stands out from the crowd, delivering exceptional lift, duration, and RPM capabilities that are perfect for race applications.

Key Features

  • Lifter Series: ProMax High RPM
  • Engine Compatibility: Chevrolet Mark IV | Gen 5 | Gen 6
  • Lifter Type: Hydraulic Roller
  • Lifter Body Diameter: .903 inches
  • Lifter Body Height: +.300 inches
  • Lifter Intake Offset: Center
  • Lifter Exhaust Offset: Center
  • Lifter Wheel Diameter: .810 inches
  • Lifter Seat Height: 2.663 inches
  • Lifter Weight: 320 grams
  • Lifter Crossbar Direction: Vertical
  • Country of Origin: United States

Benefits of the Howards Cams Lifter Set

These lifters are engineered with super strict tolerances, ensuring tighter body to plunger clearances and specialized internal valving. The tappet shells are crafted from high-grade materials, making them suitable for use in Dart SHP blocks. Whether you're tearing up the track or pushing your engine to its limits, these lifters are built to last in a true race environment.

Popular Fitments

This lifter set is compatible with a variety of performance applications, including:

  • Chevrolet Camaro (1970-1981)
  • Chevrolet Corvette (1970-1996)
  • Chevrolet Chevelle (1970-1977)
  • Chevrolet Impala (1970-1976)

Customer Reviews

Users have praised the Howards Cams Promax High RPM Hydraulic Roller Lifter Set for its reliability and performance enhancements. Here’s what some customers have to say:

  • “These lifters made a noticeable difference in my race car's performance. Highly recommend for anyone serious about racing!”
  • “Installation was straightforward, and the quality is top-notch. My engine runs smoother and revs higher.”
  • “Perfect for my Gen 5 engine build. They hold up under pressure and deliver consistent results.”

Upgrade your racing experience with the Howards Cams Promax High RPM Hydraulic Roller Lifter Set and feel the difference on the track!

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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