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Found 937 product(s) for ATV/UTV Parts:Internal Engine Parts (1-50 of 937)

ATV/UTV Parts | Internal Engine Parts | Big Bore Kits

Dimensions:

"•Size: 72mm/240cc
•Manufacturer: Vito's Performance"

Notes:

Fits Yamaha YFS200 Blaster '88-06. Complete cylinder and head with performance porting (triple exhaust ports and four intake ports), cast aluminum Super Stock Power piston, rings, pin, cirlclips, wrist pin bearing, top end gaskets, jet kit and bowl gasket for the hottest combo around. Can double your HP up to 32HP! No crankcase modifications needed - just bolt it on and go!

Applications:

"Fits Yamaha:
YFS200 Blaster (03-06)
YFS200 Blaster Moto-4 (88-02)"

Price: $697.60

ATV/UTV Parts | Internal Engine Parts | Camshafts

Camshaft, Stage 1, Hot Cams

Dimensions:

"•Type: Stage 1
•Intake Lift: 9.0mm
•Intake Lobe Center: 106°
•Intake Duration: 246° at 1mm
•Intake Valve Lash: .13mm
•Exhaust Lift: 9mm
•Exhaust Lobe Center: 107°
•Exhaust Duration: 246° at 1mm
•Exhaust Valve Lash: .15mm
•Manufacturer: Hot Cams"

Notes:

"Single-cam motor. Excellent midrange and top-end power increase. Not recommended for big bore applications over 426cc. Uses stock valve springs and rockers.
**Does not use auto-decompression mechanism.**
Stock starter sufficient."

Applications:

"Fits Honda:
TRX400EX FourTrax (99 & 00)
TRX400EX SporTrax (01-07)"

Price: $201.43

Camshaft, Stage 1, Hot Cams

Dimensions:

"•Type: Stage 1
•Intake Lift: 9.6mm
•Intake Lobe Center: 106.5°
•Intake Duration: 237.5° at 1mm
•Intake Valve Lash: .15mm
•Exhaust Lift: 8.7mm
•Exhaust Lobe Center: 103.5°
•Exhaust Duration: 268.5° at 1mm
•Exhaust Valve Lash: .28mm
•Manufacturer: Hot Cams"

Notes:

Single-cam motor. Excellent bottom-end and midrange increase. Improved throttle response. Uses stock auto-decompression mechanism. Uses stock valve springs.

Applications:

"Fits Honda:
TRX450R (Kick Start) (04-07)"

Price: $272.72

Camshaft, Stage 1, Hot Cams

Dimensions:

"•Type: Stage 1
•Intake Lift: 7.5mm
•Intake Lobe Center: 103.5°
•Intake Duration: 238° at 1mm
•Intake Valve Lash: .10mm
•Exhaust Lift: 7.5mm
•Exhaust Lobe Center: 103.5°
•Exhaust Duration: 232° at 1mm
•Exhaust Valve Lash: .15mm
•Manufacturer: Hot Cams"

Notes:

Single-cam motor. Excellent midrange and top-end increase. Uses stock valve springs and rockers.

Applications:

"Fits Honda:
TRX250X FourTrax (87, 88, 91 & 92)
TRX300EX FourTrax (93-99)
TRX300EX SporTrax (00-07)"

Price: $181.27

Camshaft, Stage 2, Hot Cams

Dimensions:

"•Type: Stage 2
•Intake Lift: 10.1mm
•Intake Lobe Center: 109.75°
•Intake Duration: 248° at 1mm
•Intake Valve Lash: .15mm
•Exhaust Lift: 8.7mm
•Exhaust Lobe Center: 105.5°
•Exhaust Duration: 268.5° at 1mm
•Exhaust Valve Lash: .28mm
•Manufacturer: Hot Cams"

Notes:

Single-cam motor. Excellent midrange and top-end increase. Improved throttle response. Uses stock auto-decompression mechanism. Uses stock valve springs.

Applications:

"Fits Honda:
TRX450R (Kick Start) (04-07)"

Price: $272.72

Camshaft, Stage 2, Hot Cams

Dimensions:

"•Type: Stage 2
•Intake Lift: 9.0mm
•Intake Lobe Center: 106°
•Intake Duration: 254° at 1mm
•Intake Valve Lash: .13mm
•Exhaust Lift: 8.9mm
•Exhaust Lobe Center: 104.25°
•Exhaust Duration: 248.5° at 1mm
•Exhaust Valve Lash: .15mm
•Manufacturer: Hot Cams"

Notes:

"Single-cam motor. More top-end power than stage 1 with midrange gain. Uses stock valve springs and rockers.
** Does not use auto-decompression mechanism.**
Stock starter sufficient."

Applications:

"Fits Honda:
TRX400EX FourTrax (99 & 00)
TRX400EX SporTrax (01-07)"

Price: $201.43

Camshaft, Stage 3, Hot Cams

Dimensions:

"•Type: Stage 3
•Intake Lift: 10.4mm
•Intake Lobe Center: 116°
•Intake Duration: 251.5° at 1mm
•Intake Valve Lash: .15mm
•Exhaust Lift: 9.05mm
•Exhaust Lobe Center: 104.5°
•Exhaust Duration: 265° at 1mm
•Exhaust Valve Lash: .28mm
•Manufacturer: Hot Cams"

Notes:

Single-cam motor. Significantly more top-end power than stage 2 camshafts. Will work well for Supermoto and big bore/strokers. Uses stock auto-decompression mechanism. Uses stock valve springs.

Applications:

"Fits Honda:
TRX450R (Kick Start) (04-07)"

Price: $272.72

Camshaft, Stage 3, Hot Cams

Dimensions:

"•Type: Stage 3
•Intake Lift: 9.1mm
•Intake Lobe Center: 110.5°
•Intake Duration: 262° at 1mm
•Intake Valve Lash: .13mm
•Exhaust Lift: 9.0mm
•Exhaust Lobe Center: 104.5°
•Exhaust Duration: 257° at 1mm
•Exhaust Valve Lash: .15mm
•Manufacturer: Hot Cams"

Notes:

"Single-cam motor. More top-end power. Designed specifically for Hot Rods big bore stroker kits. Uses stock valve springs and rockers.
** Does not use auto-decompression mechanism.**
Stock starter sufficient."

Applications:

"Fits Honda:
TRX400EX FourTrax (99 & 00)
TRX400EX SporTrax (01-07)"

Price: $201.43

ATV/UTV Parts | Internal Engine Parts | Connecting Rods

Connecting Rod

"Fits Polaris:
Magnum 425 2x4 (96-98)
Magnum 425 4x4 (96-98)
Magnum 425 6x6 (96 & 97)
Sportsman 335 4x4 (99 & 00)
Worker 335 4x4 (99)"

Price: $178.00

Connecting Rod

Dimensions:

"•Small ID: 17.5mm
•Large ID: 45mm"

Applications:

"Fits Polaris:
Magnum 325 2x4 (00)
Magnum 325 2x4 HDS (00)
Magnum 325 4x4 (00)
Magnum 325 4x4 HDS (00)
Magnum 325 4x4 HDS II (00)
Xpedition 325 4x4 (00)"

Price: $178.00

Connecting Rod

"Fits Polaris:
Scrambler 500 2x4 (01)
Scrambler 500 4x4 (99-05)"

Price: $178.00

Connecting Rod

Dimensions:

"•Small ID: 22mm
•Large ID: 44mm"

Applications:

"Fits Polaris:
Xpedition 425 (00)"

Price: $178.00

Connecting Rod

"Fits Yamaha:
YFM600FWA Grizzly (98)"

Price: $95.01

Connecting Rod

Dimensions:

"•Small ID: 22mm
•Large ID: 45mm"

Applications:

"Fits Yamaha:
YFM600FWA Grizzly (99-01)
YFM600H Grizzly Hunting (00)"

Price: $112.34

Connecting Rod Kit

Dimensions:

"•Small ID: 13mm
•Large ID: 28mm"

Notes:

Includes connecting rod, crank pin, cage and rollers.

Applications:

"Fits Honda:
ATC70 (78-85)
TRX70 FourTrax (86 & 87)"

Price: $41.05

Connecting Rod Kit

Dimensions:

"•Small ID: 15mm
•Large ID: 38mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Honda:
ATC185 (80)
ATC185S (81-83)
ATC200 (81-83)
ATC200E Big Red (82 & 83)
ATC200ES Big Red (84)
ATC200M (84 & 85)
ATC200S (84-86)
ATC200X (83-85)
TRX200 FourTrax (84)"

Price: $69.58

Connecting Rod Kit

Dimensions:

"•Small ID: 15mm
•Large ID: 38mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Honda:
TRX200 FourTrax (90 & 91)
TRX200D FourTrax Type II (91-97)
TRX200SX FourTrax (86-88)"

Price: $70.81

Connecting Rod Kit

Dimensions:

"•Small ID: 19mm
•Large ID: 41mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Honda:
ATC250ES Big Red (85-87)
ATC250SX (85-87)
TRX250 FourTrax (85-87)"

Price: $82.91

Connecting Rod Kit

Dimensions:

"•Small ID: 17mm
•Large ID: 41mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Honda:
TRX250X FourTrax (87, 88, 91 & 92)"

Price: $83.26

Connecting Rod Kit

Dimensions:

"•Small ID: 15mm
•Large ID: 38mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Honda:
TRX250 Recon (97-01)
TRX250EX SporTrax (01-09)
TRX250TE FourTrax Recon ES (02-09)
TRX250TM FourTrax Recon (02-09)"

Price: $92.06

Connecting Rod Kit

Dimensions:

"•Small ID: 22mm
•Large ID: 31mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage, rollers and piston pin bearing.

Applications:

"Fits Honda:
ATC250R (81-84)"

Price: $75.56

Connecting Rod Kit

Dimensions:

"•Small ID: 22mm
•Large ID: 31mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage, rollers and piston pin needle bearing.

Applications:

"Fits Honda:
ATC250R (85 & 86)
TRX250R FourTrax (86)"

Price: $75.56

Connecting Rod Kit

Dimensions:

"•Small ID: 21mm
•Large ID: 43mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Honda:
ATC350X (85 & 86)
TRX350 FourTrax 4x4 (86 & 87)
TRX350D FourTrax Foreman 4x4 (87-89)"

Price: $81.68

Connecting Rod Kit

Dimensions:

"•Small ID: 17mm
•Large ID: 41mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Honda:
TRX300 FourTrax (88-00)
TRX300EX FourTrax (93-99)
TRX300EX SporTrax (09)
TRX300FW FourTrax 4x4 (88 & 90-00)"

Price: $96.19

Connecting Rod Kit

Dimensions:

"•Small ID: 18mm
•Large ID: 43mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Kawasaki:
KEF300 Lakota 300 (95-00)
KEF300 Lakota Sport (01-03)
KLF300 Bayou 300 (86-04)
KLF300 Bayou 300 4x4 (89-04)
KVF300 Prairie 300 2x4 (99-02)
KVF300 Prairie 300 4x4 (99-02)"

Price: $93.44

Connecting Rod Kit

Dimensions:

"•Small ID: 11mm
•Large ID: 38mm"

Notes:

Includes connecting rod, crank pin, cage and rollers.

Applications:

"Fits Kawasaki:
KLF220 Bayou 220 (88-02)
KLF250 Bayou (03-09)"

Price: $96.19

Connecting Rod Kit

Dimensions:

"•Small ID: 16mm
•Large ID: 21mm"

Notes:

Includes connecting rod, crank pin, cage, rollers and piston pin needle bearing.

Applications:

"Fits Kawasaki:
KFX50 (03-06)
Suzuki:
ALT50 Trailbuddy (83 & 84)
LT-50 Quadrunner (84-87)"

Price: $47.93

Connecting Rod Kit

Dimensions:

"•Small ID: 16mm
•Large ID: 39mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Suzuki:
LT-230E Quadrunner (87-93)
LT-230GE Quadrunner (85 & 86)
LT-230S Quadsport (85-88)
LT-F230 Quadrunner (86 & 87)"

Price: $96.19

Connecting Rod Kit

Dimensions:

"•Small ID: 23mm
•Large ID: 32mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage, rollers and piston pin needle bearing.

Applications:

"Fits Suzuki:
LT-250R Quadracer (85 & 86)"

Price: $105.33

Connecting Rod Kit

Dimensions:

"•Small ID: 16mm
•Large ID: 39mm"

Notes:

Includes connecting rod, crank pin, cage and rollers.

Applications:

"Fits Suzuki:
LT-250E Quadrunner (85 & 86)
LT-4WD Quadrunner 4x4 (87-96)
LT-F250 Ozark Quadrunner (02-04)
LT-F250 Quadrunner (88-00)
LT-F250F Quadrunner (99 & 00)
LT-F4WDX King Quad (98)"

Price: $96.19

Connecting Rod Kit

Dimensions:

"•Small ID: 17mm
•Large ID: 41mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Suzuki:
LT-F300F King Quad (99 & 00)
LT-F4WDX King Quad (91-97)"

Price: $87.73

Connecting Rod Kit

Dimensions:

"•Small ID: 14mm
•Large ID: 36mm"

Notes:

Includes connecting rod, crank pin, cage and rollers.

Applications:

"Fits Suzuki:
ALT125 Trail Buddy 3x6 (83-86)
LT-125 Quadrunner (83-87)"

Price: $76.54

Connecting Rod Kit

Dimensions:

"•Small ID: 14mm
•Large ID: 22mm"

Notes:

Includes connecting rod, crank pin, cage, rollers and piston pin needle bearing.

Applications:

"Fits Yamaha:
YF60 Moto-4 (86)
YT60 Tri-Zinger (84 & 85)"

Price: $49.39

Connecting Rod Kit

Dimensions:

"•Small ID: 16mm
•Large ID: 37mm"

Notes:

Includes connecting rod, crank pin, cage and rollers.

Applications:

"Fits Yamaha:
YFB250 Timberwolf (92-96)
YFB250FW Timberwolf 4x4 (94-00)
YFB250U Timberwolf (96-98)
YFM225 Moto-4 (86-88)
YFM250X Beartracker (99-04)
YFU1 Pro-Hauler (89)
YFU1T Pro-Hauler (89)
YTM200DR Tri-Moto (85 & 86)
YTM225DR Tri-Moto (85 & 86)
YTM225DX Tri-Moto (83-85)"

Price: $90.69

Connecting Rod Kit

Dimensions:

"•Small ID: 13mm
•Large ID: 28mm"

Notes:

Includes connecting rod, crank pin, cage and rollers.

Applications:

"Fits Yamaha:
YFM100 Champ (87-91)"

Price: $57.69

Connecting Rod Kit

Dimensions:

"•Small ID: 19mm
•Large ID: 41mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Yamaha:
YFM350 Raptor (05-09)
YFM350ER Moto-4 (87-90 & 92-95)
YFM350FH Big Bear Hunting 4x4 (99)
YFM350FH Wolverine (95-03)
YFM350FW Big Bear Moto-4 4x4 (87-99)
YFM350U Big Bear 2x4 (96-99)
YFM350X Warrior (87-04)
YFM35FX 350 Wolverine (04 & 05)
YFP350U Terrapro (88)"

Price: $89.31

Connecting Rod Kit

Dimensions:

"•Small ID: 19mm
•Large ID: 41mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage and rollers.

Applications:

"Fits Yamaha:
YFM400 Big Bear 2x4 (00-03)
YFM400 Big Bear IRS 4x4 (07-10)
YFM400A Kodiak 2x4 Automatic (00 & 01)
YFM400FA Kodiak 4x4 (00-04)
YFM400FW Big Bear 4x4 (00-06)
YFM400FW Kodiak (93-99)"

Price: $93.91

Connecting Rod Kit

Dimensions:

"•Small ID: 21mm
•Large ID: 29mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage, rollers and piston pin needle bearing.

Applications:

"Fits Yamaha:
YFS200 Blaster (03-06)
YFS200 Blaster Moto-4 (88-02)"

Price: $83.81

Connecting Rod Kit

Dimensions:

"•Small ID: 20mm
•Large ID: 28mm"

Notes:

Includes connecting rod, crank pin, thrust washers, cage, rollers and piston pin needle bearing.

Applications:

"Fits Yamaha:
YT175 Tri-Moto (82 & 83)"

Price: $62.15

Connecting Rod Kit

Price: $59.26

ATV/UTV Parts | Internal Engine Parts | Crankshafts

Crankshaft

"Fits Honda:
TRX350FE FourTrax Rancher 4x4 ES (00-06)
TRX350FM FourTrax Rancher 4x4 (00-06)
TRX350TE FourTrax Rancher ES (00-06)
TRX350TM FourTrax Rancher (00-06)"

Price: $432.25

Crankshaft

"Fits Honda:
TRX400FA FourTrax Rancher AT (04-06)"

Price: $358.80

Crankshaft

"Fits Honda:
TRX400FM FourTrax Foreman (02)
TRX400FW FourTrax Foreman 4x4 (95-01 & 03)
TRX450ES FourTrax Foreman (98-01)
TRX450FE FourTrax Foreman ES 4x4 (02-04)
TRX450FM FourTrax Foreman S 4x4 (02-04)
TRX450S FourTrax Foreman (98-01)"

Price: $234.52

Crankshaft

"Fits Honda:
TRX500FE FourTrax Foreman 4x4 (05-08)
TRX500FM FourTrax Foreman 4x4 (05-08)
TRX500FPE FourTrax Foreman 4x4 (07 & 08)
TRX500FPM FourTrax Foreman 4x4 (08)
TRX500TM FourTrax Foreman 2x4 (05 & 06)"

Price: $489.60

Crankshaft Assembly, Hot Rods

Dimensions:

•Manufacturer: Hot Rods

Notes:

"•Complete, new assembly
•Sold complete with Hot Rods connecting rod, top-end bearing and inner crankshaft web
•Factory assembled and trued to OEM specs and ready for installation - just bolt it in and go
•Completely rebuildable with Hot Rods connecting rods
•Will meet or surpass OEM in performance and durability
•Uses stock piston"

Applications:

"Fits Honda:
ATC250R (85 & 86)
TRX250R FourTrax (86)"

Price: $275.83

Crankshaft Assembly, Hot Rods

Price: $275.83

Crankshaft Assembly, Hot Rods

Price: $322.33

Crankshaft Assembly, Hot Rods

Dimensions:

•Manufacturer: Hot Rods

Notes:

"•Complete, new assembly
•Heavy Duty
•Sold complete with Hot Rods connecting rod, top-end bearing and inner crankshaft web
•Factory assembled and trued to OEM specs and ready for installation - just bolt it in and go
•Completely rebuildable with Hot Rods connecting rods
•Will meet or surpass OEM in performance and durability
•Uses stock piston"

Applications:

"Fits Honda:
TRX450R (Kick Start) (04 & 05)"

Price: $322.33

Crankshaft Assembly, Hot Rods

Price: $317.68

Crankshaft Assembly, Hot Rods, Stroker

Dimensions:

"•Size: +4mm
•Manufacturer: Hot Rods"

Notes:

"•Produces 260cc with stock piston
•Complete, new assembly
•Sold complete with Hot Rods connecting rod, top-end bearing and inner crankshaft web
•Factory assembled and trued to OEM specs and ready for installation - just bolt it in and go
•Completely rebuildable with Hot Rods connecting rods
•Will meet or surpass OEM in performance and durability
•Uses stock piston
*** The head chamber MUST be machined 2mm deeper to accept the longer stroke crank ***"

Applications:

"Fits Honda:
TRX250R FourTrax (87-89)"

Price: $313.03

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