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Koso Camshaft A12 (GY6)
Brand: Koso Model: KOSO-A12
Description: High-Performance Koso Camshaft A12 designed specifically for the GY6 Engine. This cam is ideal for increasing low-end power. With its increased leading slope and later intake valve opening makes this the perfect upgrade to go along with your larger displacement cylinder, big valve..
Koso Oil Pump High-Flow (GY6) Koso Oil Pump High-Flow (GY6)
Brand: Koso Model: NF239000
Description: Koso’s High-Flow Oil Pump (NF239000) for 125/150cc GY6 engines is strongly recommended for those who upgraded their engine with a Big Bore Kit. The addition of this high-quality part will increase the oil flow by 20%, which is a very effective modification that will help prevent engine ..
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