ATV/UTV Engine
Maximize your engine life with top-quality ATV/UTV engine parts. Whether you’re upgrading pistons, cylinders, or gaskets, our durable components provide exceptional performance. Maintain peak engine power with our trusted engine parts.
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PROX Connecting Rod Kit - Yamaha YFZ450 03.2436
PROX
$175.95PROX Connecting Rod Kit Yamaha YFZ450 03.2436Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230231- SKU:
- 09230231
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
- MATERIAL:
- FORGED
- MATERIAL:
- STEEL
- UNITS:
- KIT
$175.95Qty in Cart: 0Quantity:Price:$175.95Subtotal: -
PROX Connecting Rod Kit - Honda XL125S 03.1253
PROX
$94.95PROX Connecting Rod Kit Honda XL125S 03.1253Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230234- SKU:
- 09230234
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$94.95 -
PROX Connecting Rod Kit 03.6427
PROX
$179.95PROX Connecting Rod Kit 03.6427Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230235- SKU:
- 09230235
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CONNECTING ROD KIT
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- OFF-ROAD
$179.95 -
PROX Connecting Rod 03.2310F
PROX
$119.95PROX Connecting Rod 03.2310FComes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230146- SKU:
- 09230146
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$119.95 -
PROX Connecting Rod 03.2021
PROX
$94.95PROX Connecting Rod 03.2021Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230166- SKU:
- 09230166
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- FEATURES:
- NO BIG-END PIN
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
$94.95Qty in Cart: 0Quantity:Price:$94.95Subtotal: -
PROX Connecting Rod 03.2434
PROX
$175.95PROX Connecting Rod 03.2434Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230177- SKU:
- 09230177
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- EACH
$175.95Qty in Cart: 0Quantity:Price:$175.95Subtotal: -
PROX Ring Set 02.1495.000
PROX
$49.95PROX Ring Set 02.1495.000Manufactured in Japan and designed as OEM replacementsPX2500R- SKU:
- PX2500R
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- SET
$49.95 -
PROX Ring Set 02.1495.025
PROX
$49.95PROX Ring Set 02.1495.025Manufactured in Japan and designed as OEM replacementsPX2501R- SKU:
- PX2501R
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$49.95 -
PROX Piston Kit 01.1495.050
PROX
$139.95PROX Piston Kit 01.1495.050Manufactured in Japan and designed to be OEM replacement, 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...PX2502- SKU:
- PX2502
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- PISTON DIAMETER METRIC:
- 85.50 MM
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 85.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE IMPERIAL:
- +0.020'
- UNITS:
- EACH
$139.95 -
PROX Ring Set 02.1495.050
PROX
$49.95PROX Ring Set 02.1495.050Manufactured in Japan and designed as OEM replacementsPX2502R- SKU:
- PX2502R
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$49.95 -
PROX Piston Kit 01.1495.100
PROX
$139.95PROX Piston Kit 01.1495.100Manufactured in Japan and designed to be OEM replacement, 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...PX2504- SKU:
- PX2504
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- PISTON DIAMETER METRIC:
- 86.00 MM
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE IMPERIAL:
- +0.040'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE SIZE METRIC:
- 86.00 MM
$139.95 -
PROX Piston Kit 01.2281.000
PROX
$105.95PROX Piston Kit 01.2281.000Manufactured in Japan and designed to be OEM replacement, 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...PX4170- SKU:
- PX4170
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- BORE SIZE METRIC:
- 66.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
$105.95 -
PROX Piston Kit 01.2281.050
PROX
$105.95PROX Piston Kit 01.2281.050Manufactured in Japan and designed to be OEM replacement, 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...PX4172- SKU:
- PX4172
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- PISTON DIAMETER METRIC:
- 66.50 MM
- BORE SIZE METRIC:
- 66.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$105.95Qty in Cart: 0Quantity:Price:$105.95Subtotal: -
PROX Piston Kit 01.2281.100
PROX
$105.95PROX Piston Kit 01.2281.100Manufactured in Japan and designed to be OEM replacement, 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...PX4174- SKU:
- PX4174
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- BORE SIZE METRIC:
- 67.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON DIAMETER METRIC:
- 67.00 MM
- PRODUCT NAME:
- PISTON KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$105.95 -
PROX Piston Kit 01.2281.150
PROX
$105.95PROX Piston Kit 01.2281.150Manufactured in Japan and designed to be OEM replacement, 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...PX4176- SKU:
- PX4176
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 67.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 67.50 MM
- PISTON SIZE METRIC:
- +1.50 MM
$105.95 -
PROX Piston Kit 01.2020.000
PROX
$99.95PROX Piston Kit 01.2020.000Manufactured in Japan and designed to be OEM replacement, 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...PX4190- SKU:
- PX4190
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 64.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON DIAMETER METRIC:
- 64.00 MM
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- STREET
$99.95 -
On Sale
PROX Ring Set 02.2020.000
PROX
MSRP: $49.47Now: $32.00Was: $49.47PROX Ring Set 02.2020.000Manufactured in Japan and designed as OEM replacementsPX4190R- SKU:
- PX4190R
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- RIDING STYLE:
- STREET
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
MSRP: $49.47Now: $32.00Was: $49.47 -
PROX Piston Kit 01.2020.025
PROX
$99.95PROX Piston Kit 01.2020.025Manufactured in Japan and designed to be OEM replacement, 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...PX4191- SKU:
- PX4191
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- BORE SIZE METRIC:
- 64.25 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- PISTON SIZE METRIC:
- +0.25 MM
- RIDING STYLE:
- STREET
- PISTON DIAMETER METRIC:
- 64.25 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$99.95 -
PROX Ring Set 02.2020.025
PROX
$49.95PROX Ring Set 02.2020.025Manufactured in Japan and designed as OEM replacementsPX4191R- SKU:
- PX4191R
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$49.95 -
PROX Ring Set 02.2020.050
PROX
$49.95PROX Ring Set 02.2020.050Manufactured in Japan and designed as OEM replacementsPX4192R- SKU:
- PX4192R
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$49.95
