Vespa V90 Prim, PK Kit Polini 135cc Race Cylinder Kit

Product Code: BD06371

£204.99

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Vespa - Cylinder Kit - Polini - 135cc Race

Cast Iron with new design Cylinder Head for improved cooling.

57mm Bore with 6 transfers

M8 Exhaust Studs with Primavera 50mm Exhaust Stud Spacing.

The cylinder is made of lamellar graphitic cast iron lubricated and wear resistant. It assures better mechanical resistance. It reduces the engine working temperature and avoids possible low of power.
Piston is gravity cast in light alloy with silicon content and two cast iron "S10" chromed piston rings.
Aluminum cast head with two fins that better dissipates the heat both in the top and bottom. It improves the cooling and compression ratio.
It has a new copper gasket that eliminates the gasses escaping between the head and cylinder but still allows the heat to transfer easier.

As pictured

VESPA 100
VESPA 100 SPORT
VESPA 90
VESPA 90 RACER
VESPA 90 SS
VESPA ET3
VESPA PK 100 S
VESPA PK 100 XL
VESPA PK 125 ETS
VESPA PK 125 S
VESPA PRIMAVERA

VESPA 50 with Primavera crankshaft fitted.