Shopping Cart
964 - 993 RS - RSR 3.8 liter piston and cylinder compression: 11.8 : 1 engine 107 mm Porsche 911
for narrow connecting rod.
Naturally aspirated engine - sport and racing pistons. An upgrade for the Porsche 964 - 993 3.6 liter engine.
Barrel size 107 mm ( spindling is "NOT" required )
Attention: The higher piston head weights can lead to marginal rattling noises at idle
This is because the pistons are designed to close the valve pockets on camshafts
to be able to enlarge with a larger stroke.
