Wideframe cylinder base gasket.

Our SIP cylinder base and head gaskets, suitable for the more powerful Wideframe cylinders such as the PINASCO and CC Corsa types, allow simple adjustment of the cylinders porting times. These spacers become especially essential when also including a long stroke crankshaft with a 57mm, 60mm or even longer stroke in the set up.

With our SIP Performance race crankshaft (# 45184500) with a 60mm stroke and a 115mm con rod, the inclusion of the 4mm base gasket spacer produces maximum torque output, while the 5mm version creates a more rev-orientated and sporting motor characteristic.

Always order head gaskets of different thicknesses for correct adjustment of the squish clearance between the pistons crown and cylinder head.

1.5mm is the most recommendable of squish clearance values, creating the ideal compromise between endurance and performance.