Engine Cases (Pair, Long, Big Bore, Custom); GY6 bling this will retrofit

this will retrofit

Dimensions: 18"L x 11"W x 8"H

ZNEN 150cc

This OEM-type Mazzuchelli crankshaft fits only the early US-spec Rally 200 (VSE)

Engine Cases (Pair, Long, Big Bore, Custom); GY6 bling this will retrofitScooterworks offers our exclusive pair of Custom Big Bore Engine Cases for GY6 long engines. We machine these in matched pairs ourselves, and we bore them up to 63mm, big enough to fit a 63mm performance cylinder kit. Go big! Pick up a new crankcase gasket while you're at it. Specifications: Matched right and left sides Stamped serial numbers ensure you have a matched set Dimensions: 10"L x 10"W x 4"H Compatibility: 157QMJ based 125cc 150cc 169cc