Classic Bike Parts, Pistons & Gifts

We sell a wide range of Classic Motorcycle pistons, catering for almost every model of classic bike. We also produce a wide range of classic motorcycle posters, artwork and limited edition prints. Products recently added to our catalogue include, metal signs and and gasket sets. Due to recent changes in US shipping costs, unfortunately, we are currently unable to post to this country. If customers enter a US address but select a different country to attempt to purchase, the payment will have to be refunded, less a refund charge which includes the charges made to us from Credit Card/Paypal.

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Home > Products > Classic Motorcycle Pistons > JAP Pistons > JAP Piston - (Model 4), Year: 1939, +.040

JAP Piston - (Model 4), Year: 1939, +.040

JAP Piston - (Model 4), Year: 1939, +.040
£97.21
Now Only £94.84
In stock


JAP - (Model 4) Year: 1939 (bore 57mm +.040"") compression height 1.3/16, piston length 2.1/4 - 1 cylinder (flat head) Pin diameter .6135"". 1 - piston available (original Hepolite).

Product Code: 7983+.040

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