Howards Cams 4.350" Open Chamber Large Dome Pro Max 2618 Forged Race Pistons

Ready to take your Chevrolet Big Block V8 Mark IV to the next level? The Howards Cams Pro Max 2618 Forged Race Pistons are engineered for serious performance enthusiasts who demand the best from their engines. These pistons are not just any ordinary components; they are designed with precision and durability in mind, making them perfect for high-stakes racing applications.

Features That Make a Difference

• Forged from 2618-T61 Billet Aluminum: This material offers superior strength and performance compared to standard pistons.
• Oversized Valve Pockets: Designed to accommodate larger cam profiles and oversized valves for enhanced airflow.
• Accumulator Grooves: Improve ring seal for better compression and efficiency.
• Machined Oil Drain Back Holes: Ensures optimal lubrication and reduces the risk of engine wear.
• Lightweight Aircraft Quality Wrist Pins: Included for reduced weight and improved performance.
• CNC Turned Skirts: Allows for smooth operation under extreme conditions without scuffing.
• Radius Valve Reliefs: Eliminate sharp edges and minimize hot spots for better thermal management.

Specifications at a Glance

• 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: 4.350"
• Compression Distance: 1.270"
• Crankshaft Stroke/Rod Length: 4.250" with 6.385" Connecting Rod (505ci)
• Deck Height: 9.780"
• Dome Volume: 43cc
• Compression Ratios:
  • 4.250" Stroke w/ 110cc Heads: 14.4
  • 4.250" Stroke w/ 119cc Heads: 13.0
  • 4.250" Stroke w/ 124cc Heads: 12.3
• Average Piston Weight: 643g
• Wrist Pin Size: .990 x 2.750"
• Pin Lock: Double Spirolox

Fitment Information

The Howards Cams Pro Max 2618 pistons are specifically designed for the Chevrolet Big Block V8 Mark IV. They fit a variety of applications, including:

• Chevrolet 454 CID
• Chevrolet 496 CID
• Chevrolet 502 CID

Customer Feedback

Users rave about the performance improvements they’ve experienced with the Howards Pro Max 2618 pistons. Many have noted significant gains in horsepower and torque, particularly in high RPM situations. The durability of these pistons under extreme conditions has also received high praise, making them a favorite among serious racers.

Why Choose Howards Cams?

When it comes to racing components, Howards Cams & Racing Components stands out for its commitment to quality and performance. These pistons are engineered to withstand the rigors of racing, ensuring that your engine performs at its best every time you hit the track.

Upgrade your engine with Howards Cams Pro Max 2618 Forged Race Pistons and experience the difference in performance and reliability.

Note: This product is intended for racing applications and does not come with a warranty.