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Howards Open Chamber Large Dome Pro Max 2618 Forged Race Pistons (Set of 8) Chevrolet Big Block V8 Mark IV - 855021638

Howards Open Chamber Large Dome Pro Max 2618 Forged Race Pistons (Set of 8)

Get ready to take your Chevrolet Big Block V8 Mark IV to new heights with the Howards Open Chamber Large Dome Pro Max 2618 Forged Race Pistons. These pistons are engineered for serious performance enthusiasts who demand the best from their engines. Crafted from high-quality materials and designed with precision, these pistons are ready to withstand the rigors of racing and high-performance applications.

Key Features

  • Forged from 2618-T61 Billet Aluminum: This material ensures a stronger, more durable piston that can handle extreme stress.
  • Oversized Valve Pockets: Designed to accommodate large cam profiles and oversized valves for enhanced airflow.
  • Accumulator Grooves: These grooves improve ring seal, ensuring optimal performance under pressure.
  • CNC Turned Skirts: Precision machining allows for better performance under intense heat and side loads.
  • Lightweight Aircraft Quality Wrist Pins: Included in the set for reduced weight and increased efficiency.
  • Forced Pin Oilers: Helps to keep the pistons lubricated, extending their lifespan.
  • Double Spirolox: Standard for secure pin retention.

Specifications

  • Part Type: Pistons
  • Model: ProMax 2618 Forged Race Pistons
  • Application: Chevrolet Big Block V8 Mark IV
  • Piston Style: Open Chamber Large Dome with 2 Valve Reliefs
  • Cylinder Bore: 4.500"
  • Compression Distance: 1.270"
  • Crankshaft Stroke/Rod Length: 4.375" with 6.375" Connecting Rod (557ci)
  • Deck Height (Zero Deck): 9.780"
  • Dome Volume: 38cc
  • Compression Ratio: 4.375" Stroke w/ 119cc Heads: 13.4
  • Piston Material: Forged 2618-T6 Aluminum
  • Wrist Pin Size: .990 x 2.750"
  • Average Piston Weight: 589g
  • Quantity: Sold as Sets of 8

Popular Fitments

The Howards Pro Max 2618 pistons are perfect for various Chevrolet Big Block V8 Mark IV applications, including:

  • Chevrolet 454 Big Block
  • Chevrolet 427 Big Block
  • Chevrolet 496 Big Block

Customer Reviews

Users rave about the performance and durability of the Howards Pro Max 2618 pistons. Many have noted significant improvements in horsepower and torque, especially in high-performance racing scenarios. Customers appreciate the meticulous CNC machining and the robust design that stands up to extreme conditions. The lightweight construction also receives high praise, as it contributes to better engine response and efficiency.

Whether you're building a race engine or upgrading your street machine, the Howards Open Chamber Large Dome Pro Max 2618 Forged Race Pistons are a reliable choice for anyone looking to maximize their engine's potential.

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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