84mm Porsche 911 Hi Comp, Piston & Cylinder Kit JE Pistons 4L lowcompression JE Pistons with

4L lowcompression JE Pistons with Biral cylinders

This kit requires machine work Both the heads and Case will need to be opened for the 92mm Bore Cylinders

9 Piston Set

ValveSizes:

Engine size: 1200cc

84mm Porsche 911 Hi Comp, Piston & Cylinder Kit JE Pistons 4L lowcompression JE Pistons withThis is a new set of 84mm Porsche 911 2. 2 2. 4L Highcompression pistons with Biral cylinders. The Compression ratios are 9. 1: 1 with the 66mm crank and 9. 7: 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