84mm Porsche 911 Low Comp, Piston & Cylinder Kit Cast Iron New set of 8 AA

New set of 8 AA 28mm Lightweight Lifters Made from a one piece forging that's heat treated and ground to precision with oil hole for extra cam lubrication

The Compression ratio is 10

Wrist pin diameter: 22mm

Thread Size: 3/8

84mm Porsche 911 Low Comp, Piston & Cylinder Kit Cast Iron New set of 8 AAThis is a new set of 84mm Porsche 911 2. 2 2. 4L low compression Pistons with Biral cylinders. The Compression ratios are 8. 5: 1 with the 66mm crank and 9. 1: 1 with the 70. 4mm. The Cylinders are Biral with Graphite Coated Hypereutectic pistons with valve pockets, and the 22mm Pin. Biral Liners are a cast iron sleeve with aluminum fins, making them lighter and dissipate heat better. This kit requires no machine work, when installing in factory