MS20-8

ENGINE 224 COMPRESSION CYLINDER PISTON DISPL PISTON TOP END SUG. DLR. SALE FITS MODEL RATIO BORE (MM) DIAMETER (MM) VERSION KIT PART # RETAIL COST PRICE HONDA CR80R 90-91 STD 47.00 46.95 80 Cast Replica 0910-3359 $109.95 $78.00 $64.40 CRF250R 08-09 13:1 78.00 77.97 250 Forged Replica 0910-3762 295.95 191.90 57.50 13.5:1 78.00 77.95 250 Forged High Comp 0910-3763 315.95 204.90 55.40 13.5:1 78.00 77.96 250 Forged High Comp 0910-3764 264.95 204.90 137.80 13.5:1 78.00 77.97 250 Forged High Comp 0910-3765 315.95 204.90 55.40 CRF250R 10-13 14:1 76.80 76.78 250 Forged High Comp 0910-3777 315.95 205.30 55.40 CRF450R 02-06 12.5:1 96.00 95.95 450 Forged High Comp 0910-3706 327.95 212.70 63.80 CRF450X 05-16 12.5:1 96.00 95.96 450 Forged High Comp 0910-3710 289.95 225.10 169.70 CRF450R 07-08 12.1:1 96.00 95.95 450 Forged Replica 0910-3729 324.95 210.80 63.30 12.1:1 96.00 95.96 450 Forged Replica 0910-3732 324.95 210.80 63.30 12.1:1 96.00 95.96 450 Forged Replica 0910-3735 324.95 210.80 63.30 12.5:1 96.00 95.95 450 Forged High Comp 0910-3708 346.95 225.10 67.90 12.5:1 96.00 95.96 450 Forged High Comp 0910-3711 346.95 225.10 67.90 12.9:1 96.00 95.95 450 Forged High Comp 0910-3766 349.95 227.40 61.60 12.9:1 96.00 95.96 450 Forged High Comp 0910-3767 349.95 227.40 61.60 12.9:1 96.00 95.97 450 Forged High Comp 0910-3768 349.95 227.40 61.60 CRF450R 13-14 13.2:1 96.00 95.97 450 Forged High Comp 0910-3807 355.95 231.00 62.60 CRF450R 13-16 12.5:1 96.00 95.97 450 Forged Replica 0910-3804 269.95 216.90 140.40 CRF450X 05-13 12.1:1 96.00 95.95 450 Forged Replica 0910-3728 324.95 210.80 63.30 12.5:1 96.00 95.97 450 Forged Replica 0910-3713 346.95 225.10 67.90 KAWASAKI KX250F 10 13.2:1 77.00 76.97 250 Forged Replica 0910-3792 294.95 191.50 51.80 KX250F 11-14 13.9:1 77.00 76.97 250 Forged High Comp 0910-3801 259.95 190.90 135.20 KTM 250 SX-F 09-12 13.3:1 76.00 75.96 250 Forged High Comp 0910-3745 331.95 215.40 65.00 250 XC-F 09-12 13.3:1 76.00 75.96 250 Forged High Comp 0910-3745 331.95 215.40 65.00 SUZUKI RMZ250 07-09 13.4:1 77.00 76.96 250 Forged Replica 0910-3755 273.95 177.90 53.50 13.4:1 77.00 76.97 250 Forged Replica 0910-3756 273.95 177.90 53.50 13.9:1 77.00 76.95 250 Forged High Comp 0910-3772 273.95 177.90 48.20 13.9:1 77.00 76.97 250 Forged High Comp 0910-3774 273.95 177.90 48.20 RMZ250 10-12 13.4:1 77.00 76.97 250 Forged Replica 0910-3786 273.95 177.90 48.20 13.8:1 77.00 76.95 250 Forged High Comp 0910-3787 294.95 191.50 51.80 13.8:1 77.00 76.97 250 Forged High Comp 0910-3789 294.95 191.50 51.80 RMZ250 13 13.5:1 77.00 76.97 250 Forged Replica 0910-3810 273.95 177.90 48.20 13.9:1 77.00 76.97 250 Forged High Comp 0910-3813 273.95 177.90 48.20 YAMAHA WR450F 03-06 12.5:1 95.00 94.93 450 Forged Replica 0910-3715 307.95 199.70 59.80 12.5:1 95.00 94.95 450 Forged Replica 0910-3719 307.95 199.70 58.70 WR450F 07-15 12.5:1 95.00 94.93 450 Forged Replica 0910-3716 269.95 195.80 140.40 YZ450F 10-13 12.5:1 97.00 96.95 450 Forged Replica 0910-3780 312.95 202.80 54.90 13.5:1 97.00 96.94 450 Forged High Comp 0910-3782 327.95 212.60 57.40 13.5:1 97.00 96.95 450 Forged High Comp 0910-3783 327.95 212.60 57.40 TOP END PISTON KITS •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 •Forged Replica pistons are forged OEM replacements •Replica pistons and all rings are OEM replacements •Top end piston kit includes piston, rings, pins, circlips, top end gaskets, wrist pin bearing when applicable and cam chain when applicable PISTON VERSIONS Cast Replica – Cast OE replacement piston Forged Replica – Forged OE stock compression piston Forged High Comp – Forged high compression pistons