2021 Parts Unlimited ATV & UTV

ENGINE & COOLING parts-unlimited.com 2021 PARTS UNLIMITED ATV/UTV BOLD MAGENTA part numbers are new for 2021 875 PISTON KITS, RINGS, WRIST PINS AND CIRCLIPS continued on next page. PISTON KITS, RINGS, WRIST PINS AND CIRCLIPS • All pistons are heat-treated with a T-5 hardening and tempering cycle • All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life • Cast piston kits are gravity-cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston • Forged pistons are forged from 2618 aluminum for superior strength and durability • Forged High Compression pistons improve power and torque across entire rpm range • Big Bore pistons increase engine’s displacement, torque, and peak horsepower • Forged Replica pistons are forged OE replacements • Replica pistons and all rings are OEM replacements • Kits include piston, rings, wrist pin and circlips • Replacement two-stroke piston rings sold individually; four-stroke piston rings sold as a set NOTE: Top End Kits include Piston Kit and a Top End Gasket Kit, top-end bearing and cam chain. PISTON VERSIONS Cast Replica – Cast OE replacement piston Cast Big Bore – Big bore stock compression cast piston Forged Replica – Forged OE stock compression piston Forged Big Bore – Forged OE stock compression big bore piston Forged High Comp – Forged high compression pistons FITS MODEL DIAMETER (MM) PISTON VERSION PISTON KIT PART # TOP END KIT PART # RING PART # WRIST PIN PART # CIRCLIPS PART # ARCTIC CAT DVX 400 04‑07 89.96 Forged Replica 0910-0978 - 0912-0236 - - 89.97 Forged Replica - 0910-3839 0912-0236 - - 89.98 Forged Replica - 0910-3840 0912-0236 - - DVX 400 04‑07 (407cc Big Bore) 90.96 Forged Big Bore - - 0912-0223 - 0913-0057 DVX 400 04‑07 (Big Bore) 93.95 Forged Big Bore - - 0912-0237 - 0913-0057 93.96 Forged Big Bore - - 0912-0237 - 0913-0057 93.97 Forged Big Bore - - 0912-0237 - 0913-0057 93.98 Forged Big Bore - - 0912-0237 - 0913-0057 DVX 400 04‑07 (compression 13.5:1) 89.96 Forged High Comp - - 0912-0236 - 0913-0057 89.97 Forged High Comp - - 0912-0236 - 0913-0057 89.98 Forged High Comp - - 0912-0236 - 0913-0057 HONDA TRX400EX 99‑08 84.95 (STD) Cast Replica 0910-1065 - - 0913-0028 0913-0057 TRX400EX/X 99‑14 84.97 Cast Replica 0910-1065 - 0912-0583 0913-0028 0913-0057 85.47 Cast Replica 0910-1066 - - 0913-0028 0913-0057 85.97 Cast Replica 0910-1067 - 0912-0584 0913-0028 0913-0057 86.95 Cast Big Bore 0910-1068 - - 0913-0028 0913-0057 87.95 Cast Big Bore 0910-1069 - - 0913-0028 0913-0057 88.95 Cast Big Bore - - - 0913-0028 0913-0057 TRX400EX 99‑08 88.94 Cast Stroker 0910-2636 4 - 0912-0390 - - TRX450R 04‑05 (compression 10.5:1) 93.97 Cast Replica - - 0912-0237 - - 93.98 Cast Replica - - 0912-0237 - - 93.99 Cast Replica - - 0912-0237 - - 0910‑3839 0910-1730 0910‑0978 4 For use with Hot Rods stroker crankshaft #4240 (Parts Unlimited 0921‑0086).