ENGINE
PISTON KITS
  • The smart solution; save money on engine repairs
  • Manufactured in Japan and designed as OEM replacements
  • Cast from a high-silicon content aluminum alloy that meets or exceeds OEM specifications, then CNC machined to extremely close tolerances
  • Available in standard sizes along with fractional increases in standard sizes
  • Standard B, C and D sizes extend the life of expensive plated cylinders
  • Additional oversizes available in .010 increments
  • Pistons supplied in a kit package that includes rings, wrist pins and circlips
  • FITS MODEL
    SIZE
    MM
    P ART  #
    SUG. RETAIL
    OEM RING #
    REPL. RINGS
    SUG. RETAIL
    HONDA
    CRF50F 04-12, XR50 00-03
    0.06
    -
    0910-0398
    $55.95
    -
    -
    CRF70F 04-12, XR70R 97-03
    Std.
    -
    0910-0399
    55.95
    -
    -
    0.02
    -
    0910-0400
    55.95
    -
    -
    0.04
    -
    0910-0401
    55.95
    -
    -
    CR80R 86-02
    Std.
    46.95mm
    0910-0913
    84.95
    13121-GBF-841
    0912-0161
    $21.95
    Std.
    46.96mm
    0910-0914
    84.95
    13121-GBF-841
    0912-0161
    21.95
    CR85 03-07
    Std.
    47.45mm
    0910-0020
    84.95
    -
    -
    Std.
    47.46mm
    0910-0021
    84.95
    -
    -
    CR125R 89-91
    Std.
    53.95mm
    PX-4240B
    99.95
    13121-KS6-831
    PX-4210R
    21.95
    0.0007
    53.96mm
    PX-4240C
    99.95
    13121-KS6-831
    PX-4210R
    21.95
    0.001
    53.97mm
    PX-4240D
    99.95
    13121-KS6-831
    PX-4210R
    21.95
    CR125R 92-03
    Std.
    53.94mm
    PX-4260A
    99.95
    13121-KZ4-702
    PX-4260R
    21.95
    Std.
    53.95mm
    PX-4260B
    99.95
    13121-KZ4-702
    PX-4260R
    21.95
    0.0007
    53.96mm
    PX-4260C
    99.95
    13121-KZ4-702
    PX-4260R
    21.95
    0.001
    53.97mm
    PX-4260D
    99.95
    13121-KZ4-702
    PX-4260R
    21.95
    CR125R 04
    Std.
    -
    0910-0428
    99.95
    13121-KZ4-702
    PX-4260R
    21.95
    Std.
    -
    0910-0429
    99.95
    13121-KZ4-702
    PX-4260R
    21.95
    0.02
    54.50mm
    -
    -
    13121-KZ4-702
    PX-4260R
    21.95
    CR125R 05-06
    Std.
    53.94mm
    0910-0597
    91.95
    -
    -
    Std.
    53.95mm
    0910-0598
    91.95
    -
    -
    Std.
    53.96mm
    0910-0599
    91.95
    -
    -
    CRF150R 12-17
    Std.
    65.97mm
    0910-3251
    154.95
    -
    0912-0647
    35.95
    Std.
    65.98mm
    0910-3252
    154.95
    -
    0912-0647
    35.95
    Std.
    65.99mm
    0910-3253
    154.95
    -
    0912-0647
    35.95
    CRF230F 03-17
    Std.
    65.50mm
    0910-1365
    94.95
    -
    -
    .5mm
    66.00mm
    0910-1366
    94.95
    -
    -
    1mm
    66.50mm
    0910-1367
    94.95
    -
    -
    CR250R 86-96
    Std.
    66.34mm
    PX-4420A
    129.95
    13011-KZ3-306
    PX-4420R
    35.95
    Std.
    66.35mm
    PX-4420B
    129.95
    13011-KZ3-306
    PX-4420R
    35.95
    0.0008
    66.36mm
    PX-4420C
    129.95
    13011-KZ3-306
    PX-4420R
    35.95
    0.0012
    66.37mm
    PX-4420D
    129.95
    13011-KZ3-306
    PX-4420R
    35.95
    CR250R 97-01
    Std.
    66.34mm
    PX-4430A
    129.95
    13011-KZ3-306
    PX-4420R
    35.95
    Std.
    66.35mm
    PX-4430B
    129.95
    13011-KZ3-306
    PX-4420R
    35.95
    Std.
    66.36mm
    PX4430C
    129.95
    13011-KZ3-306
    PX-4420R
    35.95
    Std.
    66.37mm
    PX4430D
    129.95
    13011-KZ3-306
    PX-4420R
    35.95
    CR250R 02-04
    Std.
    66.34mm
    PX1322A
    119.95
    13011-KZ3-306
    PX-4420R
    35.95
    Std.
    66.35mm
    PX1322B
    119.95
    13011-KZ3-306
    PX-4420R
    35.95
    Std.
    66.36mm
    PX1322C
    119.95
    13011-KZ3-306
    PX-4420R
    35.95
    CR250R 05-07
    Std.
    66.34mm
    0910-1187
    119.95
    -
    -
    Std.
    66.35mm
    0910-1188
    119.95
    -
    -
    Std.
    66.36mm
    0910-1189
    119.95
    -
    -
    CRF250R 04-09
    Std.
    77.97mm
    0910-1126
    173.95
    -
    -
    Std.
    77.98mm
    0910-1127
    173.95
    -
    -
    Std.
    77.99mm
    0910-1128
    173.95
    -
    -
    CRF250R 04-09 (high compression)
    Std.
    77.97mm
    0910-1129
    181.95
    -
    -
    Std.
    77.98mm
    0910-1130
    181.95
    -
    -
    CRF250R 10-13
    Std.
    76.77mm
    0903-0815
    173.95
    -
    -
    Std.
    76.78mm
    0903-0816
    173.95
    -
    -
    PISTON KITS continued on next page.
    DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
    SEE PAGE 4 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
    2018 PARTS UNLIMITED OFFROAD