Namura Technologies NA-40015-2 Piston Kit - 0.50mm Oversize to 71.45mm, 8.7:1 Compression body-dress-up iron and steel-flanged mating surfaces

iron and steel-flanged mating surfaces

2008 Yamaha YFM250 Raptor SE

Special DEI Hi temp Coating on under side to resist temperatures up to 1500 degreeF

Crank Pin Length (mm): 55

reducing the overall rpm in 6th gear by 400-500rpm depending on the application

Namura Technologies NA-40015-2 Piston Kit - 0.50mm Oversize to 71.45mm, 8.7:1 Compression body-dress-up iron and steel-flanged mating surfacesBore: 71. 45mm Compression: 8. 7: 1 Compression Sizing: 0. 50mm Oversize MOS2 (Teflon Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this