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Advanblack

V-Twin

Custom Chrome

Drag Specialties

S&S Cycle

Mid-USA

Wyatt Gatling

Bitubo Suspension

Magnum Shielding

Colony

View all Brands

JE Pistons
|
sku: 0910-6011

JE Pistons #370247 - Piston Kit - 4.016" Bore - Standard - 114"/117" M8

MSRP: $449.99

Was:

Now: $402.04

Add to Cart
JE Pistons
|
sku: 0910-6012

JE Pistons #370248 - Piston Kit - 4.020" Bore - +0.005" Oversize - 114"/117" M8

MSRP: $449.99

Was:

Now: $377.99

Add to Cart
JE Pistons
|
sku: 0910-6013

JE Pistons #370249 - Piston Kit - 4.075" Bore - Standard - 114"/117" M8

MSRP: $449.99

Was:

Now: $402.04

Add to Cart
JE Pistons
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sku: 0910-6014

JE Pistons #370250 - Piston Kit - 4.080" Bore - +0.005" Oversize - 114"/117" M8

MSRP: $449.99

Was:

Now: $402.04

Add to Cart
JE Pistons
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sku: 0910-6015

JE Pistons #370251 - Piston Kit - 4.125" Bore - +0.050" Oversize - 114"/117" M8

MSRP: $449.99

Was:

Now: $402.04

Add to Cart
JE Pistons
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sku: 0910-6016

JE Pistons #370252 - Piston Kit - 4.250" Bore - +0.175" Oversize - 114"/117" M8

MSRP: $449.99

Was:

Now: $402.04

Add to Cart
sku: 0910-6861

JE Pistons #391730 - Piston Kit - 4.320" - 11.25:1 CR - 114"/117" M8

MSRP: $694.99

Was:

Now: $620.49

Add to Cart
sku: 0910-6859

JE Pistons #391731 - Piston Kit - 4.250" - 11.25:1 CR - 114"/117" M8

MSRP: $694.99

Was:

Now: $580.54

Add to Cart
JE Pistons
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sku: 0910-6860

JE Pistons #394100 - Piston Kit - 4.310" - 11.25:1 CR - 114"/117" M8

MSRP: $694.99

Was:

Now: $620.49

Add to Cart
JE Pistons
|
sku: 0910-6856

JE Pistons #394138 - Piston Kit - 4.250" - 10.25:1 CR - 114"/117" M8

MSRP: $694.99

Was:

Now: $620.49

Add to Cart
sku: 0910-6857

JE Pistons #394139 - Piston Kit - 4.310" - 10.25:1 CR - 114"/117" M8

MSRP: $694.99

Was:

Now: $620.49

Add to Cart
JE Pistons
|
sku: 0910-6858

JE Pistons #394140 - Piston Kit - 4.320" - 10.25:1 CR - 114"/117" M8

MSRP: $694.99

Was:

Now: $620.49

Add to Cart
Jims
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sku: DS-193850

Jims #1045RR - Rocker Arms - Big Twin/XL

MSRP: $959.85

Was:

Now: $863.87

Add to Cart
Jims
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sku: DS-194030

Jims #1095 - Aluminum Lifter Blocks - Big Twin

MSRP: $703.25

Was:

Now: $632.93

Add to Cart
Jims
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sku: DS-199523

Jims #1350K - Valve Spring Kit - Evolution - Big Twin

MSRP: $215.95

Was:

Now: $194.36

Add to Cart
Jims
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sku: DS-199555

Jims #1370 - Valve Keepers - Big Twin

MSRP: $29.95

Was:

Now: $26.96

Add to Cart
Jims
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sku: 0927-0021

Jims #1732 - Roller Rocker Arms - Big Twin

MSRP: $1,040.80

Was:

Now: $936.72

Add to Cart
Jims
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sku: DS-193821

Jims #17428-57K - Rocker Arm Bushings - Big Twin/XL

MSRP: $83.95

Was:

Now: $75.56

Add to Cart
Jims
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sku: DS-193819

Jims #17611-66B - Rocker Arm Shaft - Big Twin

MSRP: $111.40

Was:

Now: $100.26

Add to Cart
Jims
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sku: DS-193820

Jims #17611-83 - Rocker Arm Shaft - Evolution/Twin Cam

MSRP: $51.25

Was:

Now: $46.13

Add to Cart
Jims
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sku: DS-194342

Jims #1800 - Hydrosolid Tappet

MSRP: $163.05

Was:

Now: $146.75

Add to Cart
Jims
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sku: DS-194347

Jims #1803 - Hydrosolid Tappet - XL

MSRP: $170.40

Was:

Now: $153.36

Add to Cart
Jims
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sku: 0929-0014

Jims #1807 - Hydraulic Tappet - Twin Cam

MSRP: $194.50

Was:

Now: $175.05

Add to Cart
Jims
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sku: 0929-0023

Jims #1810 - Powerglide II Tappet - .005 - Twin Cam

MSRP: $201.15

Was:

Now: $181.04

Add to Cart

JE Pistons #370247 - Piston Kit - 4.016" Bore - Standard - 114"/117" M8
Piston Average Weight: 377 gramsPiston Volume: 3.20 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids...

MSRP: $449.99

Was:

Now: $402.04
Add to Cart
JE Pistons #370248 - Piston Kit - 4.020" Bore - +0.005" Oversize - 114"/117" M8
Piston Average Weight: 375 gramsPiston Volume: 3.10 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids...

MSRP: $449.99

Was:

Now: $377.99
Add to Cart
JE Pistons #370249 - Piston Kit - 4.075" Bore - Standard - 114"/117" M8
Piston Average Weight: 386 gramsPiston Volume: 0.80 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids...

MSRP: $449.99

Was:

Now: $402.04
Add to Cart
JE Pistons #370250 - Piston Kit - 4.080" Bore - +0.005" Oversize - 114"/117" M8
Piston Average Weight: 387 gramsPiston Volume: 0.60 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids...

MSRP: $449.99

Was:

Now: $402.04
Add to Cart
JE Pistons #370251 - Piston Kit - 4.125" Bore - +0.050" Oversize - 114"/117" M8
Piston Average Weight: 399 gramsPiston Volume: -1.30 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids...

MSRP: $449.99

Was:

Now: $402.04
Add to Cart
JE Pistons #370252 - Piston Kit - 4.250" Bore - +0.175" Oversize - 114"/117" M8
Piston Average Weight: 425 gramsPiston Volume: -6.70 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids...

MSRP: $449.99

Was:

Now: $402.04
Add to Cart
JE Pistons #391730 - Piston Kit - 4.320" - 11.25:1 CR - 114"/117" M8
Piston Average Weight: 461 gramsPiston Volume: -7.30 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance...

MSRP: $694.99

Was:

Now: $620.49
Add to Cart
JE Pistons #391731 - Piston Kit - 4.250" - 11.25:1 CR - 114"/117" M8
Piston Average Weight: 457 gramsPiston Volume: -4.30 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance...

MSRP: $694.99

Was:

Now: $580.54
Add to Cart
JE Pistons #394100 - Piston Kit - 4.310" - 11.25:1 CR - 114"/117" M8
Piston Average Weight: 459 gramsPiston Volume: -7.30 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance...

MSRP: $694.99

Was:

Now: $620.49
Add to Cart
JE Pistons #394138 - Piston Kit - 4.250" - 10.25:1 CR - 114"/117" M8
Piston Average Weight: 445 gramsPiston Volume: -14.80 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high...

MSRP: $694.99

Was:

Now: $620.49
Add to Cart
JE Pistons #394139 - Piston Kit - 4.310" - 10.25:1 CR - 114"/117" M8
Piston Average Weight: 454 gramsPiston Volume: -17.70 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high...

MSRP: $694.99

Was:

Now: $620.49
Add to Cart
JE Pistons #394140 - Piston Kit - 4.320" - 10.25:1 CR - 114"/117" M8
Piston Average Weight: 456 gramsPiston Volume: -18.10 ccTwo cylinder piston kit.Includes:• 2x Pistons• 2x Ring Sets• 2x Wrist Pins• 4x CirclipsFeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high...

MSRP: $694.99

Was:

Now: $620.49
Add to Cart
Jims #1045RR - Rocker Arms - Big Twin/XL
Rocker Arms - Big Twin/XLFeaturesThe lightest rocker arm available, but still has superior strength characteristics due to its designThe strength of 660 bronze bushings and bearing-grade steel for the roller tipExtensively tested under extreme conditions...

MSRP: $959.85

Was:

Now: $863.87
Add to Cart
Jims #1095 - Aluminum Lifter Blocks - Big Twin
Aluminum Lifter Blocks - Big TwinFeaturesKits include front lifter block, rear lifter block and gasketsMounting screws must be purchased separately; 53-65 models use 1/4"-24 screwsMade in the U.S.A.SpecsProduct NameLifter BlockRiding...

MSRP: $703.25

Was:

Now: $632.93
Add to Cart
Jims #1350K - Valve Spring Kit - Evolution - Big Twin
Valve Spring Kit - Evolution - Big TwinFeaturesIncorporate an interference double-spring design with a damper to control harmonicsEngineered for maximum performance in severe applications such as high compression and big-inch street motorsKits include...

MSRP: $215.95

Was:

Now: $194.36
Add to Cart
Jims #1370 - Valve Keepers - Big Twin
Valve Keepers - Big TwinFeaturesMade from the highest grade materials and heat-treated to JIMS strict standardsFeature a 10° lock angleWork well with JIMS titanium valve spring retainersMade in the U.S.A.SpecsProduct NameKeyUnits8 PackRiding...

MSRP: $29.95

Was:

Now: $26.96
Add to Cart
Jims #1732 - Roller Rocker Arms - Big Twin
Roller Rocker Arms - Big TwinFeaturesCast from 4340 heat-treated chromoly steelReduce friction in the valve train, providing more horsepower and less heat in the top endInclude 660 bronze bushing fit to .0007" - .0012" for the best wear...

MSRP: $1,040.80

Was:

Now: $936.72
Add to Cart
Jims #17428-57K - Rocker Arm Bushings - Big Twin/XL
Rocker Arm Bushings - Big Twin/XLFeaturesQuality, American-made rocker arm shafts and bushingsSpecsProduct NameBushingRiding StyleStreetTypeRocker ArmUnits8 Pack

MSRP: $83.95

Was:

Now: $75.56
Add to Cart
Jims #17611-66B - Rocker Arm Shaft - Big Twin
Rocker Arm Shaft - Big TwinFeaturesMade in the U.S.A.SpecsRiding StyleStreetUnitsEachProduct NameShaftTypeRocker Arm

MSRP: $111.40

Was:

Now: $100.26
Add to Cart
Jims #17611-83 - Rocker Arm Shaft - Evolution/Twin Cam
Rocker Arm Shaft - Evolution/Twin CamFeaturesMade in the U.S.A.SpecsProduct NameShaftRiding StyleAdventure Touring / Dual-SportTypeRocker ArmUnitsEach

MSRP: $51.25

Was:

Now: $46.13
Add to Cart
Jims #1800 - Hydrosolid Tappet
Hydrosolid TappetFeaturesPerform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappetWhen they turn into solid tappets, it adds approximately three to six more usable horsepowerPrevent hydraulic pump at high rpmsMade in the U.S.A...

MSRP: $163.05

Was:

Now: $146.75
Add to Cart
Jims #1803 - Hydrosolid Tappet - XL
Hydrosolid Tappet - XLFeaturesPerform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappetWhen they turn into solid tappets, it adds approximately three to six more usable horsepowerPrevent hydraulic pump at high rpmsMade in the U.S.A...

MSRP: $170.40

Was:

Now: $153.36
Add to Cart
Jims #1807 - Hydraulic Tappet - Twin Cam
Hydraulic Tappet - Twin CamFeaturesThese tappets have undergone extensive development to increase load, lubrication, hydraulic and life capacitiesBillet bodyIncreased roller widthRoller perpendicularity held to .0002"Hand-honed hydraulic unit...

MSRP: $194.50

Was:

Now: $175.05
Add to Cart
Jims #1810 - Powerglide II Tappet - .005 - Twin Cam
Powerglide II Tappet - .005 - Twin CamFeaturesThese tappets have undergone extensive development to increase load, lubrication, hydraulic and life capacitiesBillet bodyIncreased roller widthRoller perpendicularity held to .0002"Hand-honed hydraulic...

MSRP: $201.15

Was:

Now: $181.04
Add to Cart

Compare Selected

Shop by Brand

Top End

JE Pistons

sku: 0910-6011

JE Pistons

sku: 0910-6012

JE Pistons

sku: 0910-6013

JE Pistons

sku: 0910-6014

JE Pistons

sku: 0910-6015

JE Pistons

sku: 0910-6016

sku: 0910-6861

sku: 0910-6859

JE Pistons

sku: 0910-6860

JE Pistons

sku: 0910-6856

sku: 0910-6857

JE Pistons

sku: 0910-6858

Jims

sku: DS-193850

Jims

sku: DS-194030

Jims

sku: DS-199523

Jims

sku: DS-199555

Jims

sku: 0927-0021

Jims

sku: DS-193821

Jims

sku: DS-193819

Jims

sku: DS-193820

Jims

sku: DS-194342

Jims

sku: DS-194347

Jims

sku: 0929-0014

Jims

sku: 0929-0023