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Harley Engine Tools

Harley Engine Tools

Harley Engine Tools

Harley Bike Engine Tools at JJ Motorsports

Service your Harley's engine with premium tools from JJ Motorsports, featuring timing tools, valve spring seat cutters, and clutch spring compressors for precise work on Twin Cam, M8, Evo, and Big Twin models. These durable accessories ensure professional-level rebuilds and maintenance.

Shop Dennis Stubblefield Sales, Feuling, and JIMS engine tools for race-grade accuracy. Explore related categories such as Harley tools for chain and suspension tools, or Harley engine for rebuild kits and gaskets to complete your service routine and achieve smooth, reliable V-Twin operation across all conditions, from high-mileage touring to performance tuning.

Top Harley Engine Tools

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FEULING OIL PUMP CORP. Gauge Dial Indicator 9016

    FEULING OIL PUMP CORP. Gauge Dial Indicator 9016

    FEULING OIL PUMP CORP.

    $39.95
    Accurate crankshaft and gear drive diagnostics are non-negotiable when you're tuning or rebuilding Twin Cam, Evolution, or Milwaukee Eight engines. The Feuling Oil Pump Corp. Gauge Dial Indicator 9016 eliminates guesswork by delivering precise...
    38010281
    SKU:
    38010281
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    DIAL INDICATOR
    COLOR/FINISH:
    SILVER
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    YELLOW
    RIDING STYLE:
    STREET
    STYLE:
    UNIVERSAL
    TYPE:
    REPLACEMENT
    UNITS:
    EACH
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • Jims Tappet Position Holder for Harley-Davidson 1200 Custom 2000-2006 5504 Jims Tappet Position Holder for Harley-Davidson 1200 Custom 2000-2006 5504

    Jims Tappet Position Holder for Harley-Davidson 1200 Custom 2000-2006 5504

    JIMS

    $88.40
    When you're deep into Harley-Davidson engine work, a single misplaced tappet or anti-rotation pin can derail your entire rebuild. The JIMS Tappet Position Holder 5504 solves this by keeping critical components organized and protected during removal and...
    38010275
    SKU:
    38010275
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    POSITION HOLDER
    TYPE:
    TAPPET
    UNITS:
    EACH
    APPLICATION:
    CAMSHAFT
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    BLUE
    RIDING STYLE:
    STREET
    $88.40
    Qty in Cart: 0
    Quantity:
    Price:
    $88.40
    Subtotal:
  • FEULING OIL PUMP CORP. Reamer Cam Plate Relief 9008

    FEULING OIL PUMP CORP. Reamer Cam Plate Relief 9008

    FEULING OIL PUMP CORP.

    $119.95
    A worn or improperly seated pressure relief valve in your cam plate will cause inconsistent oil pressure and potential engine damage—especially under high-performance conditions. This Feuling reamer allows you to recondition the relief valve seat on any...
    38010252
    SKU:
    38010252
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    GOLD
    UNITS:
    EACH
    PRODUCT NAME:
    CAM PLATE/OIL PUMP TOOL
    RIDING STYLE:
    STREET
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • JIMS Tool Hydraulic Tappet Go-No-Go¢â€žÂ¢ 746 JIMS Tool Hydraulic Tappet Go-No-Go¢â€žÂ¢ 746

    JIMS Tool Hydraulic Tappet Go-No-Go¢â€žÂ¢ 746

    JIMS

    $43.45
    Proper hydraulic tappet adjustment is critical to engine reliability and performance, yet verifying adjustment by feel alone leaves room for error. The JIMS Tool Hydraulic Tappet Go-No-Goâ„¢ 746 eliminates guesswork by providing a precise, tactile...
    38010251
    SKU:
    38010251
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    PUSHROD
    COLOR/FINISH:
    BLUE
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    STREET
    STYLE:
    HYDRAULIC
    PRODUCT NAME:
    TAPPET TOOL
    TYPE:
    ADJUSTER
    UNITS:
    EACH
    $43.45
    Qty in Cart: 0
    Quantity:
    Price:
    $43.45
    Subtotal:
  • On Sale
    Belt Drives Ltd Ring Gear Lock Tool for 2007-2016 Open Belt Drive Kits RGLT-100

    Belt Drives Ltd Ring Gear Lock Tool for 2007-2016 Open Belt Drive Kits RGLT-100

    BELT DRIVES LTD.

    MSRP: $46.95
    Now: $42.26
    Was: $46.95
    Maintaining your Belt Drives Ltd open belt drive system requires the right tool for the job—and the RGLT-100 Ring Gear Lock Tool is engineered specifically for that task. Whether you're performing routine service or major overhaul work, this dual-sided...
    38010240
    SKU:
    38010240
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    APPLICATION:
    OPEN BELT DRIVE
    TYPE:
    RING GEAR
    COLOR/FINISH:
    GRAY
    UNITS:
    EACH
    PRODUCT NAME:
    LOCKING TOOL
    RIDING STYLE:
    STREET
    MSRP: $46.95
    Now: $42.26
    Was: $46.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $46.95
    Now: $42.26
    Was: $46.95
    Subtotal:
  • Jims Mighty Bite Flywheel Lock Tool 1999-2013 Harley-Davidson Twin Cam 753

    Jims Mighty Bite Flywheel Lock Tool 1999-2013 Harley-Davidson Twin Cam 753

    JIMS

    $53.30
    Proper crankshaft stabilization is non-negotiable when servicing Twin Cam or Milwaukee Eight engines—sloppy work here compromises seal integrity and invites costly comebacks. The JIMS Mighty Bite Flywheel Lock Tool secures your crank in place, allowing...
    38010235
    SKU:
    38010235
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    APPLICATION:
    CRANKSHAFT
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    COLOR/FINISH:
    BLUE
    PRODUCT NAME:
    FLYWHEEL LOCK
    $53.30
    Qty in Cart: 0
    Quantity:
    Price:
    $53.30
    Subtotal:
  • Jims Slim Oil Filter Wrench 941

    Jims Slim Oil Filter Wrench 941

    JIMS

    $49.60
    Oil filter changes are routine maintenance, but access isn't always simple—especially on modern engines with tight packaging around coolers, sensors, and exhaust components. The JIMS Slim Oil Filter Wrench 941 eliminates the frustration of cramped work...
    38010216
    SKU:
    38010216
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    WRENCH
    DRIVE SIZE IMPERIAL:
    3/8'
    STYLE:
    14 FLUTE
    STYLE:
    SLIM
    UNITS:
    EACH
    APPLICATION:
    OIL FILTER
    RIDING STYLE:
    STREET
    $49.60
    Qty in Cart: 0
    Quantity:
    Price:
    $49.60
    Subtotal:
  • Jims Dipstick Socket for Harley-Davidson Touring and Dyna Models 2006-2011 759

    Jims Dipstick Socket for Harley-Davidson Touring and Dyna Models 2006-2011 759

    JIMS

    $40.50
    Removing a hot dipstick by hand risks burns and inconsistent oil readings. The JIMS Dipstick Socket 759 eliminates this hazard with a purpose-built tool that grips securely while keeping your hands safely away from exhaust heat. If you're checking oil...
    38010195
    SKU:
    38010195
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    APPLICATION:
    ENGINE
    COLOR/FINISH:
    GRAY
    PRODUCT NAME:
    DIPSTICK REMOVER
    UNITS:
    EACH
    APPLICATION:
    OIL SYSTEM
    RIDING STYLE:
    STREET
    $40.50
    Qty in Cart: 0
    Quantity:
    Price:
    $40.50
    Subtotal:
  • Jims Tappet Pump and Test Stand for Twin Cam 1999-2017 765

    Jims Tappet Pump and Test Stand for Twin Cam 1999-2017 765

    JIMS

    $404.25
    Hydraulic tappet bleed-down and stickiness are silent killers that compromise valve train precision and engine reliability. The JIMS Tappet Pump and Test Stand eliminates guesswork by allowing you to pre-fill and diagnose your lifters before assembly,...
    38010192
    SKU:
    38010192
    Availability:
    Ships Same Business Day
    Weight:
    5.85 LBS
    PRODUCT NAME:
    TAPPET TESTER
    TYPE:
    MAINTENANCE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    COLOR/FINISH:
    BLUE
    $404.25
    Qty in Cart: 0
    Quantity:
    Price:
    $404.25
    Subtotal:
  • JIMS Engine Stand for 2000-2017 Harley-Davidson Softail Models 902

    JIMS Engine Stand for 2000-2017 Harley-Davidson Softail Models 902

    JIMS

    $140.95
    Engine teardown and rebuild work demands stable, reliable support—and the JIMS Engine Stand 902 delivers exactly that for your Twin Cam build. Whether you're performing valve work, replacing gaskets, or a complete overhaul, this stand keeps your engine...
    38010181
    SKU:
    38010181
    Availability:
    Ships Same Business Day
    Weight:
    6.27 LBS
    COLOR/FINISH:
    BLUE
    MATERIAL:
    STEEL
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    MOTOR STAND
    UNITS:
    EACH
    $140.95
    Qty in Cart: 0
    Quantity:
    Price:
    $140.95
    Subtotal:
  • Jims 7mm Valve Guide Reamer for Harley-Davidson 2005-2017 Models 1133

    Jims 7mm Valve Guide Reamer for Harley-Davidson 2005-2017 Models 1133

    JIMS

    $257.95
    If you're upgrading to modern conical valve springs or performing a valve guide refresh on your Harley-Davidson, precise reaming is non-negotiable—a poor fit compromises spring seat pressure and engine reliability. The JIMS 7mm Valve Guide Reamer...
    38010180
    SKU:
    38010180
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    VALVE GUIDE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MATERIAL:
    STEEL
    PRODUCT NAME:
    REAMER
    COLOR/FINISH:
    SILVER
    Qty in Cart: 0
    Quantity:
    Price:
    $257.95
    Subtotal:
  • Jims Valve Spring Tester 1090

    Jims Valve Spring Tester 1090

    JIMS

    $225.25
    Valve spring pressure directly impacts your engine's performance, reliability, and longevity—getting it wrong compromises both power delivery and durability. The JIMS 1090 Valve Spring Tester gives you the precision to verify spring loads across your...
    38010179
    SKU:
    38010179
    Availability:
    Ships Same Business Day
    Weight:
    1.85 LBS
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    BLUE
    RIDING STYLE:
    STREET
    TYPE:
    MINI
    MATERIAL:
    2024 T-3 BILLET ALUMINUM
    APPLICATION:
    VALVE
    PRODUCT NAME:
    SPRING TESTER
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $225.25
    Subtotal:
  • Jims 780 Interconnect Seal Leak Tester for 2000-2017 Harley-Davidson Softail Models

    Jims 780 Interconnect Seal Leak Tester for 2000-2017 Harley-Davidson Softail Models

    JIMS

    $70.15
    Oil drag in the lower engine directly reduces horsepower output—and the interconnect seal is a common failure point that goes undiagnosed. The JIMS 780 Seal Leak Tester lets you verify seal integrity and pressure-test the balancer tensioner plate with...
    38010178
    SKU:
    38010178
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    LEAK TESTER
    RIDING STYLE:
    STREET
    STYLE:
    RIGHT
    COLOR/FINISH:
    BLUE
    UNITS:
    KIT
    APPLICATION:
    BALANCER TENSION PLATE
    $70.15
    Qty in Cart: 0
    Quantity:
    Price:
    $70.15
    Subtotal:
  • Jims 6-Speed Seal Installer for 2007-2017 Harley-Davidson Models 786

    Jims 6-Speed Seal Installer for 2007-2017 Harley-Davidson Models 786

    JIMS

    $234.85
    Installing main seals in a 6-speed Harley transmission demands precision—one slip can damage expensive bearings and compromise your entire drivetrain. The JIMS 6-Speed Seal Installer eliminates guesswork by using a driver-style design that seats seals to...
    38010175
    SKU:
    38010175
    Availability:
    Ships Same Business Day
    Weight:
    6.29 LBS
    APPLICATION:
    MAIN DRIVE GEAR
    FOR ENGINE TYPE:
    6-SPEED
    TYPE:
    DRIVER
    PRODUCT NAME:
    SEAL INSTALLER
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    BLUE
    RIDING STYLE:
    STREET
    STYLE:
    CRUISE
    UNITS:
    KIT
    $234.85
    Qty in Cart: 0
    Quantity:
    Price:
    $234.85
    Subtotal:
  • JIMS Dual Gauge Leakdown Tester 4-Stroke 782

    JIMS Dual Gauge Leakdown Tester 4-Stroke 782

    JIMS

    $199.55
    Diagnosing internal engine failures requires precision—and guesswork will cost you time and money. The JIMS Dual Gauge Leakdown Tester 782 pinpoints exactly where compression is escaping, whether it's a valve seat issue, worn piston rings, or a...
    38010173
    SKU:
    38010173
    Availability:
    Ships Same Business Day
    Weight:
    1.98 LBS
    APPLICATION:
    CYLINDER
    PRODUCT NAME:
    GAUGE
    STYLE:
    DUAL PURPOSE
    TYPE:
    LEAK-DOWN TESTER
    FOR ENGINE TYPE:
    4-STROKE
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    $199.55
    Qty in Cart: 0
    Quantity:
    Price:
    $199.55
    Subtotal:
  • Jims Piston Ring Compressor Kit 1.875-2.875" 910

    Jims Piston Ring Compressor Kit 1.875-2.875" 910

    JIMS

    $154.70
    Piston ring installation demands precision—one slip, and you're replacing rings and wasting hours. The JIMS Piston Ring Compressor Kit 910 eliminates guesswork with a fine-tooth ratcheting mechanism that lets you dial in exact compression incrementally,...
    38010172
    SKU:
    38010172
    Availability:
    Ships Same Business Day
    Weight:
    1.48 LBS
    APPLICATION:
    PISTON
    COLOR/FINISH:
    BLACK
    PISTON DIAMETER:
    47,6 MM - 73 MM (1-7/8' - 2-7/8')
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    PISTON RING COMPRESSOR
    APPLICATION:
    ENGINE
    MEASUREMENT SYSTEM:
    SAE
    UNITS:
    SET OF 4
    Qty in Cart: 0
    Quantity:
    Price:
    $154.70
    Subtotal:
  • FEULING OIL PUMP CORP. Tool Push Rod Tube Holder 9012

    FEULING OIL PUMP CORP. Tool Push Rod Tube Holder 9012

    FEULING OIL PUMP CORP.

    $16.95
    Adjusting pushrods on a high-revving engine demands precision and accessibility—this tool holder keeps your pushrod tubes secured and positioned out of your work area, letting you make accurate adjustments without fumbling or dropping components. Whether...
    38010159
    SKU:
    38010159
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    APPLICATION:
    PUSHROD TUBE
    PRODUCT NAME:
    HOLDING TOOL
    TYPE:
    ADJUSTER
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    $16.95
    Qty in Cart: 0
    Quantity:
    Price:
    $16.95
    Subtotal:
  • Jims 916 Case Support Blocks for 2000-2017 Harley-Davidson Softail Models

    Jims 916 Case Support Blocks for 2000-2017 Harley-Davidson Softail Models

    JIMS

    $136.95
    Working on inner balancer bearings without proper engine support risks costly case damage and misalignment. The JIMS 916 Case Support Blocks keep your Softail engine level and secure during service, protecting your investment while you work. These...
    38010146
    SKU:
    38010146
    Availability:
    Ships Same Business Day
    Weight:
    2.96 LBS
    APPLICATION:
    ENGINE CASE
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SUPPORT PLATE
    RIDING STYLE:
    STREET
    STYLE:
    LEFT SIDE
    Qty in Cart: 0
    Quantity:
    Price:
    $136.95
    Subtotal:
  • FEULING OIL PUMP CORP. Tool Crankshaft Runout 9015

    FEULING OIL PUMP CORP. Tool Crankshaft Runout 9015

    FEULING OIL PUMP CORP.

    $129.95
    Accurate crankshaft diagnostics are critical for engine reliability, and guesswork has no place in your shop. The Feuling Oil Pump Corp. Crankshaft Runout Tool eliminates uncertainty by delivering precise measurements of pinion shaft runout and gear...
    38010144
    SKU:
    38010144
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    TYPE:
    TWIN CAM
    PRODUCT NAME:
    CRANKSHAFT RUNOUT MEASURING TOOL
    COLOR/FINISH:
    RED
    RIDING STYLE:
    STREET
    TYPE:
    EVO
    UNITS:
    EACH
    $129.95
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  • Jims Thread Chaser Tap Set 933

    Jims Thread Chaser Tap Set 933

    JIMS

    $74.15
    Damaged threads on powder-coated or painted components can compromise fitment and force costly part replacement. The JIMS Thread Chaser Tap Set 933 restores compromised threads without stripping or damaging surrounding surfaces—a must-have for frame...
    38010138
    SKU:
    38010138
    Availability:
    Ships Same Business Day
    Weight:
    0.54 LBS
    UNITS:
    SET
    APPLICATION:
    MULTI FUNCTIONAL
    PRODUCT NAME:
    THREAD CHASER
    RIDING STYLE:
    STREET
    MEASUREMENT SYSTEM:
    SAE
    STYLE:
    COARSE THREAD
    COLOR/FINISH:
    SILVER
    MATERIAL:
    STEEL
    Qty in Cart: 0
    Quantity:
    Price:
    $74.15
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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