Malossi V4 tuning kit 270 cc for Vespa GTS 250 Quasar
For decades, Malossi products have combined enormous power output with extreme reliability. This is where the experience Malossi has gained in racing pays off. Here we offer you a complete kit for your Quasar engine consisting of the four-valve head and the 270 cc cylinder. This allows you to leave all standard 300cc Vespas behind.
Features V 4 cylinder head:
Reinforced aluminum housing
Hardened intake and exhaust guides
Optimized exhaust guide angle
Intake valves enlarged to 25 mm Ø
Intake valves enlarged to 22.2 mm
Valves manufactured from Nimonich
Valves pre-assembled and ready to install
15-20 %increase in power through the head alone according to Malossi
Features V4 cylinder:
Aluminum cylinder with silicon content
Silicon carbide coating
Bore Ø 75.5 mm
Compression 12.5:1
Piston with high silicon content for low thermal expansion
Piston with three rings, reinforced
A good tip is the Malossi or Polini Vario, with which you can see all 300cc Vespas getting smaller in the rear-view mirror.
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