Zenoah G320RC 4-Bolt Top End Kit 38mm 31.8cc (ESP Modified for +2mm Stroker Crankshaft) & Race PORTED

Zenoah G320RC 4-Bolt Top End Kit 38mm 31.8cc (ESP Modified for +2mm Stroker Crankshaft) & Race PORTED

Zenoah G320RC 4-Bolt Top End Kit 38mm 31.8cc 967319401 - (ESP Modified for +2mm Stroker Crankshaft) & Race Ported.

Modified by ESP to accept the +2mm (30mm) stroker crankshaft. ESP has machined the squish on the cylinder to properly accommodate the +2mm stroke, while still using a stock thickness cylinder base gasket. ESP has also race ported the exhaust, transfer, and intake ports for better flow and power.

Fits Zenoah G320RC engine (with +2mm stroker crankshaft installed - part dd404b - only. Does NOT fit earlier Zenoah RC models!

This will make your engine a 34.02cc.

Requires the +2mm stroker crankshaft (DDM part number dd404b)

Zenoah Part # 967319401, Modified by ESP to accept +2mm stroke, and race ported

Compatible with: Rovan Part: 67061 (Bottom End)

Colour: Grey

Position: Engine

Compatible Engine: Zenoah G320, Rovan 32cc,