Vertex Piston Big Bore 4 stroke HONDA TRX450R Big Bore Compr 12,0:1 477 2006-09 2013 nominal ⌀ 99

Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application. Vertex Four-stroke Pistons Four-stroke engines have much higher cylinder pressures when compared to twostrokes and are generally manufactured from forgings. To handle the internal pressures of a four-stroke engine, Vertex’s four-stroke pistons are forged from the highest quality 2618 aluminum alloy for superior strength and durability. Vertex uses unique piston profiles and compression ratios, offered in A, B, C and D sizes, to maximize power and performance while reducing blow-by and oil consumption. Vertex Wrist Pin Features: • KTM four-stroke wrist pins are DLC coated. • Case hardened wrist pins are used with all Vertex pistons. • Nitride coated pins are normally used for high performance four-stroke engines utilizing a bronze bushing or with engines using a steel connecting rod without bearings. This hardened surface is highly wear resistant and provides anti-galling properties. • Nitriding is a highly specialized surface treatment that produces a highly wear resistant surface. The significant advantage of nitriding is that the surface hardness is developed without quenching and the attendant distortion problems with case hardening. Finishing operations can be eliminated or held to a minimum. Vertex Piston Rings Vertex’s latest generation two-stroke and four-stroke piston rings are nitride coated or chrome plated, increasing wear resistance and extending durability. Vertex piston rings are exact OEM replacements. All Vertex Pistons Feature: • Standard pistons and components are OEM replacements. • Kits include piston, rings, wrist pin and circlips. • All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. • Replacement rings are sold individually PISTON VERSION Piston 4 stroke: REPLICA BB: CAST PISTON IN ORIGINAL OE FORM FOR BIG BORE CYLINDER PRO REPLICA: FORGED PISTON IN ORIGINAL OE FORM PRO BB: FORGED PISTON IN ORIGINAL OE FORM FOR BIG BORE CYLINDER PRO RACE: FORGED PISTON DEVELOPED WITH VERTEX KNOW-HOW PRO HC: FORGED PISTON DEVELOPED WITH VERTEX KNOW-HOW AND HIGH COMPRESSION GP-RACER CHOICE: FORGED PISTON WITH HIGH COMPRESSION INSPIRED BY FORMULA 1