83.5mm Porsche 356/912 Big Bore Kit w/ Biral Cylinders & JE Forged Pistons "Low Comp" Type-1 Or the Guide Hole can

Or the Guide Hole can be bored to except the 13mm Type 4 guides or 15mm Porsche Guides when running the stock sodium filled valves

Brand New Oil Filler Breather Nut for OEM Oil Breather/Filler

Stock Replacement 1500/1600 Engine Push Rod Tube Stainless Steel

Kit includes: 4 Cylinders

This Set comes complete with 4 pistons

83.5mm Porsche 356/912 Big Bore Kit w/ Biral Cylinders & JE Forged Pistons "Low Comp" Type-1 Or the Guide Hole canThis is a new set 83. 5mm Porsche 356 912 JE High Compression pistons with Biral cylinders. It fits Porsche 356; C, SC, 1963 66 & Porsche 912; 1965 and Up with the 3 piece case. The Cylinders are Biral with JE Forged pistons with 30 Angle. JE Forgings are made from 2618 Aluminum, They have a 0 offset with extra material under the top for the valve pocket, Biral Liners are a cast iron sleeve with aluminum fins, making them lighter and dissipate heat