Pro Max™ Open Chamber Dome Piston Kit (853127643) by Howards Cams®. The forging design produces a stronger piston for the ultimate in performance. All Howards HRC Racing Pistons are forged from 2618 billet bar stock and then heat treated and aged to a T61 condition (2618-T61). This material has less than 1% silicon particulate content. High silicon content pistons (forged from 4032 or MS75) will not stand up to the most extreme stress placed on many racing pistons. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get you vehicle back on the road faster and easier.
| Bore Size (in): 4.310" |
| Stroke (in): 4.250" |
| Quantity: Set of 8 |
| Piston Material: 2618 Forged |
| Compression Distance (in): 1.270" |
| Compression Ratio: 12.8 w/ 119cc |
| Connecting Rod Length: 6.385 |
| Dome Volume: 43.0 cc |
| Piston Ring Thickness: 1/16, 1/16, 3/16 |
| Piston Style: Open Chamber Dome - Standard Deck Block |
| Piston Weight: 625g |
| Wrist Pin Diameter: 0.990 |
| Wrist Pin Style: Lightweight .150 Wall |
| Weight: 625g |
| Wrist Pin Weight: 141g |
If you’re serious about being number one on the track, be serious about Howards Cams®! Howard Cams stays at the forefront of the racing industry, offering you some of the most technically advanced and reliable performance parts on the planet. Established by Howard Johansen under the name Howards Power & Racing Equipment, the company started as a manufacturer of racing camshafts in 1945. In 1998, the company retooled its facility in Oshkosh, Wisconsin and changed its name to Howards Cams & Racing Components. With the new facility, Howards Cams expanded its product line to include precision forged steel connecting rods and crankshafts, billet main caps, and many other racing parts. Howard Cams uses the most advanced computer design software and the highest-grade materials to create parts that give a winning performance for years to come. Choose Howards Cams: leaving competition in the dust!