Video Description Tuning HPC crankshaft Stage6 PGOHigh quality tuning parts from Stage6: Stage6 HPC Crankshaft for PGO Big Max / T-Rex, the perfect crankshaft for sport and racing cylinders. It was developed for tuned engines and is suitable for lightly tuned sport set-ups up to high-performance racing cylinders.Features of the Stage6 HPC crankshaftThe high quality crankshaft is completely made of metal, the counterweight inserts are also made of metal. This results in excellent balancing and stability even at very high revs. The connecting rod is forged and offers high strength and reliability far exceeding that of cast connecting rods.This HPC crankshaft is designed for tuning and racing cylinders from 50cc to 90cc. It can even be used with 70cc high-end setups.Please note: the crankshaft is supplied with two nuts, but you may only need one of them for your vehicle.Technical data: HPC racing crankshaft from Stage6connecting rod length: originalstroke: original piston pin: original (10mm)small end bearing: 10x14x13mmmaximum rpm: 16,000 rpmuse: tuning / racing Questions about the product

• Brand: Stage6
• SKU: S6-8018600
• Availability: In stock

Notes and Safety Stage6 HPCThe HPC crankshafts from Stage6 are the brand's racing crankshafts. There are versions with standard stroke and with long stroke, the HPC shafts are available for both 50cc motorcycles and scooters.HPC crankshaft performanceThe HPC crankshaft (HPC for High Primary Compression) is very robust and also suitable for high RPMs, e.g. in combination with the Stage6 Big Racing cylinder.Made entirely of metal (no plastic inserts)Precise balancingForged connecting rodSuitable for sport to racing setupsSupplied without crankshaft bearings. Please also remember to get the necessary tools, e.g. a flywheel puller.How to change a crankshaft?The crankshaft is one of the main comp