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Howards Open Chamber Large Dome Pro Max 2618 Forged Race Pistons Chevrolet Big Block V8 Mark IV - 855021638-1

Howards Open Chamber Large Dome Pro Max 2618 Forged Race Pistons

Upgrade your Chevrolet Big Block V8 Mark IV with the Howards Pro Max 2618 Forged Race Pistons. These pistons are engineered for those who demand uncompromising performance on the track. Crafted from high-quality 2618-T61 billet aluminum, they are designed to withstand extreme stress and deliver exceptional durability.

Why Choose Howards Pro Max 2618 Pistons?

The forging process used in creating these pistons results in a stronger, more resilient component compared to standard pistons. With less than 1% silicon content, these pistons maintain their shape under high RPMs and pressure, ensuring reliability during intense racing conditions. Say goodbye to issues like "skirt shrinking" that can plague lesser pistons.

Key Features

  • Forged from premium 2618-T61 Billet Aluminum Bar Stock
  • Oversized valve pockets for enhanced airflow
  • Accumulator grooves that improve ring seal
  • Machined oil drain back holes for efficient lubrication
  • Included lightweight aircraft-quality wrist pins
  • Lock removal indents for easy assembly
  • CNC turned skirts for optimal performance
  • Radius valve reliefs to prevent sharp edges
  • Standard 1/16", 1/16", 3/16" ring grooves
  • Forced pin oilers for better lubrication
  • Honed pin bores for precision fit
  • Double Spirolox included for secure locking

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
  • Wrist Pins Included: .150" Heat Treated Aircraft Quality Steel
  • Manufacturer: Howards Cams & Racing Components
  • Warranty: Race Application. No warranty expressed or implied

Popular Fitments

  • Chevrolet Big Block V8 (Mark IV)
  • Chevrolet Corvette (C3, C4 models)
  • Chevrolet Chevelle (1970-1972 models)
  • Chevrolet Camaro (1969-1973 models)

Customer Reviews

Users rave about the Howards Pro Max 2618 pistons, highlighting their durability and performance under race conditions. Many customers have reported significant improvements in horsepower and torque, making these pistons a favorite among serious racers. The construction quality is often praised, with users noting that they have experienced fewer issues compared to other brands.

Whether you're building a race-ready engine or just looking to enhance your vehicle's performance, the Howards Pro Max 2618 Forged Race Pistons are an excellent choice for serious automotive enthusiasts.

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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