PM Tuning Prox Pro-Street 172cc Piston Kit

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Product Description
PM Tuning Prox Pro-Street 172cc Piston Kit
Full Specification

High Performance Japanese Manufactured Racing Piston Kit - Made by the same factory that produces OEM pistons for the major brands e.g. Suzuki, Yamaha etc. Also suitable as an upgrade for all Malossi 172 kits. Exclusivley manufactured for PM Tuning. Features include, oil feed holes to gudgeon pin bosses, tapered bore gudgeon pin, Molybdenum disulphate coated piston skirts, boost port cut-away and TK keystone piston rings. As used on our World Record Breaking Machine.



Choosing the correct piston size A or B

A 64.92mm
B 64.94mm

1/ All PM Prostreet cylinder kit PMCK0007/8/9 marked A with less than 500 miles use size A 64.92mm

2/ On all PM Prostreet cylinder kit PMCK0007/8/9 marked A or B with more than 500 miles use you should use size B 64.94mm

3/ If you are running a Malossi 172cc 65mm cylinder and wish to upgrade to a PM Prox piston kit use piston size B 64.94mm


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