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   Shop by Catalog > Parts Unlimited ATV > Engine
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  PRO X ATV PISTON KITS

 
 
  • The smart solution to save money on engine repairs
  • Manufactured in Japan and designed to be OEM replacements
  • Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
  • Pistons supplied in a kit package that includes rings, wrist pins and circlips
  • Rings and pistons are interchangeable and compatible with OEM pistons and rings
Note: See chart for additional information

 
Application Chart

Quantity Item / Item Code Price
PISTON KIT YFZ450 94.95MM
0910-0603
$158.95

PISTON KIT YFZ450 94.96MM
0910-0604
$158.95

PISTON KIT YFZ450 94.97MM
0910-0605
$158.95

PISTON KIT YFZ450 97MM
0910-0606
$174.95

PISTON KIT KFX80 STD
0910-0612
$61.95

PISTON KIT KFX80 .020
0910-0613
$61.95

PISTON KIT KFX80 .040
0910-0614
$61.95

PISTON KIT KFX80 .060
0910-0615
$61.95

PSTN KIT ATC250R 85-6 STD
PX-0280
$120.95

PSTN KIT ATC250R 85-6 .25
PX-0282
$120.95

PSTN KT ATC250R 85-6 .50
PX-0283
$113.95

PSTN KT ATC250R 85-6 .75
PX-0284
$120.95

RING ATC/TRX250R 85-6 STD
PX-0797R
$25.95

RING ATC/TRX250R 85-6 .50
PX-0799R
$25.95

RING ATC/TRX250R 85-6 1.0
PX-0801R
$25.95

PSTN KT ATC110 STD
PX-2410
$77.95

RING ST ATC110 81-85 STD
PX-2410R
$28.95

PSTN KT ATC110 .25
PX-2411
$77.95

RING ST ATC110 81-85 .25
PX-2411R
$28.95

PSTN KT ATC110 .50
PX-2412
$77.95

RING ST ATC110 81-85 .50
PX-2412R
$28.95

PSTN KT ATC110 .75
PX-2413
$77.95

RING ST ATC110 81-85 .75
PX-2413R
$28.95

PSTN KT ATC110 1.0
PX-2414
$81.95

RING ST ATC110 81-85 1.0
PX-2414R
$28.95

PSTN KT ATC110 1.25
PX-2415
$77.95

RING ST ATC110 81-85 1.25
PX-2415R
$28.95

PSTN KT ATC185 STD
PX-2420
$81.95

RING SET ATC185 80-3 STD
PX-2420R
$28.95

PSTN KT ATC185 .25
PX-2421
$78.95

RING SET ATC185 80-3 .25
PX-2421R
$28.95

PSTN KT ATC185 .50
PX-2422
$78.95

RING SET ATC185 80-3 .50
PX-2422R
$25.95

PSTN KT ATC185 .75
PX-2423
$78.95

PSTN KT ATC185 1.0
PX-2424
$78.95

RING SET ATC185 80-3 1.25
PX-2425R
$25.95

PSTN KT ATC185 1.5
PX-2426
$78.95

PSTN KT ATC/TRX200 STD
PX-2430
$78.95

RING ST ATC/TRX200 STD
PX-2430R
$25.95

PSTN KT ATC/TRX200 .25
PX-2431
$81.95

RING ST ATC/TRX200 .25
PX-2431R
$25.95

PSTN KT ATC/TRX200 .50
PX-2432
$78.95

RING ST ATC/TRX200 .50
PX-2432R
$25.95

PSTN KT ATC/TRX200 .75
PX-2433
$81.95

RING ST ATC/TRX200 .75
PX-2433R
$25.95

PSTN KT ATC/TRX200 1.0
PX-2434
$81.95

RING ST ATC/TRX200 1.0
PX-2434R
$25.95

PSTN KT ATC/TRX200 1.25
PX-2435
$81.95

RING ST ATC/TRX200 1.25
PX-2435R
$25.95

PSTN KT ATC/TRX200 1.5
PX-2436
$78.95

RING ST ATC/TRX200 1.5
PX-2436R
$25.95

PSTN KT ATC/TRX200X STD
PX-2440
$81.95

PSTN KT ATC/TRX200X .25
PX-2441
$81.95

PSTN KT ATC/TRX200X .50
PX-2442
$81.95

PSTN KIT ATC/TRX200X .75
PX-2443
$81.95

RING SET TRX200/D STD.
PX-2450R
$25.95

PSTN KIT TRX200/D .020
PX-2452
$87.95

PSTN KIT TRX200/D .030
PX-2453
$87.95

PSTN KIT TRX250X STD.
PX-2460
$87.95

PSTN KIT TRX250X .020
PX-2462
$90.95

PSTN KIT TRX250X .040
PX-2464
$87.95

PSTN KIT TRX250X .060
PX-2466
$87.95

PSTN KIT TRX300/FW STD
PX-2470
$90.95

RINGS ACT/TRX250/300 STD.
PX-2470R
$24.95

PSTN KIT TRX300/FW .25
PX-2471
$87.95

RINGS ATC/TRX250/300 .25
PX-2471R
$25.95

PSTN KIT TRX300/FW .50
PX-2472
$90.95

RINGS ATC/TRX250/300 .50
PX-2472R
$25.95

PSTN KIT TRX300/FW .75
PX-2473
$90.95

RINGS ATC/TRX250/300 .75
PX-2473R
$25.95

PSTN KIT TRX300/FW 1.0
PX-2474
$87.95

RINGS ATC/TRX250/300 1.0
PX-2474R
$25.95

RINGS ATC/TRX250/300 1.5
PX-2476R
$25.95

PSTN KIT ATC250ES/SX STD
PX-2480
$90.95

PSTN KIT ATC250ES/SX .25
PX-2481
$90.95

PSTN KIT ATC250ES/SX .50
PX-2482
$90.95

PSTN KIT ATC250ES/SX .75
PX-2483
$90.95

PSTN KIT ATC250ES/SX 1.0
PX-2484
$90.95

PSTN KIT ATC250ES/SX 1.5
PX-2486
$90.95

PSTN KT TRX300EX .040
PX-2494
$90.95

PSTN KT TRX300EX .060
PX-2496
$90.95

PSTN KIT TRX400EX STD.
PX-2500
$113.95

RING SET TRX400EX STD.
PX-2500R
$31.95

PSTN KIT TRX400EX .010
PX-2501
$113.95

RING SET TRX400EX .010
PX-2501R
$31.95

PSTN KIT TRX400EX .020
PX-2502
$113.95

RING SET TRX400EX .020
PX-2502R
$31.95

PSTN KIT TRX400EX .030
PX-2503
$118.95

PSTN KIT TRX400EX .040
PX-2504
$113.95

RING SET TRX400EX .040
PX-2504R
$31.95

PSTN KT TRX300EX .010
PX-2591
$90.95

RING ST LT250R 87-91 STD
PX-4120R
$23.95

PRO-X PISTON RING SET STD
PX-4150R
$25.95

PRO-X PISTON RING SET .25
PX-4151R
$25.95

PRO-X PISTON RING SET .50
PX-4152R
$25.95

PRO-X PISTON RING SET .75
PX-4153R
$25.95

PRO-X PISTON RING SET 1.0
PX-4154R
$25.95

PSTN KT YFM350 87-98 STD
PX-4160
$108.95

PSTN KT YFM350 87-98 .25
PX-4161
$108.95

PSTN KT YFM350 87-98 .50
PX-4162
$108.95

PSTN KT YFM350 87-98 .75
PX-4163
$108.95

PSTN KT YFM350 87-98 1.0
PX-4164
$108.95

PSTN KT YFS200 88-98 STD
PX-4170
$86.95

RING ST YFS200 88-98 STD
PX-4170R
$25.95

PSTN KT YFS200 88-98 .25
PX-4171
$86.95

RING ST YFS200 88-98 .25
PX-4171R
$25.95