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Dyna Engines / Internal Components

Engines & Internal Components for the Harley-Davidson Dyna, '91-'17. Everything that lives behind the cam cover and inside the cases.

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What Is In This Collection

Camchest kits, camshafts, big bore kits, valve springs, retainers and seals, complete engines and oil pumps, from Feuling, S&S Cycles, Revolution Performance, JIMS, Trask and Alloy Art.

Dyna Fitment

Dyna covers '91-'17 - FXD Super Glide, Street Bob, Fat Bob, Wide Glide, Low Rider and Switchback. The Dyna is cable throttle throughout its run, so throttle-by-wire parts do not apply.

Years that change what fits:

  • 2006 - the Dyna took the revised cam chest a year before the rest of the range.
  • 2017 - the Dyna line ended and was replaced by the M8 Softail.

Engine Parts Go By Cam Chest, Not By Model

This is the one that catches people out. Two bikes of the same year wearing the same badge can take completely different cams, plates, tensioners and oil pumps, because what matters is which engine generation is in the frame. Read the fitment list on the product page against your own motor rather than going by the model name.

Engine parts for this platform are also split by motor generation: Evo Motor, Twin Cam '99-'05 and Twin Cam '06-'17.

More For Your Dyna

All Dyna Parts · Dyna Grips · Dyna Transmission / Clutch · Dyna Fairings & Windshields · Dyna Foot Controls / Accessories · Dyna Air Cleaners · Dyna Seats & Sissy Bars · Dyna Risers · Dyna Lighting & Turn Signals

Or browse Engines & Internal Components across every platform.

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147 products

S&S CYCLES-T143 Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley SupplyS&S CYCLES-T143 Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley Supply
S&S CYCLES-V111 Long Block / '84-'99 Evo Big Twin-Engine-MetalCore Harley Supply
S&S CYCLES-T111 Long Block Twin Cam Engine / '99-'17 Big Twins-Engine-MetalCore Harley SupplyS&S CYCLES-T111 Long Block Twin Cam Engine / '99-'17 Big Twins-Engine-MetalCore Harley Supply
S&S CYCLES - 124" Hot Set Up® Engine Performance Kits / '99 - '17 Twin Cams - Big Bore Kits - MetalCore Harley SupplyS&S CYCLES - 124" Hot Set Up® Engine Performance Kits / '99 - '17 Twin Cams - Big Bore Kits - MetalCore Harley Supply
S&S CYCLES-V80 Long Block / '84-'99 Evo Big Twin-Engine-MetalCore Harley Supply
S&S CYCLES-T124 Low Compression Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley SupplyS&S CYCLES-T124 Low Compression Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley Supply
S&S CYCLES-T124 High Compression Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley SupplyS&S CYCLES-T124 High Compression Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley Supply
S&S CYCLES-100" / 110" Power Package Engine Performance Kits / '99-17 Twin Cams-Big Bore Kit-MetalCore Harley SupplyS&S CYCLES-100" / 110" Power Package Engine Performance Kits / '99-17 Twin Cams-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-Dyna Engine Cases / '06-'17 Dyna-Engine Cases-MetalCore Harley SupplyS&S CYCLES-Dyna Engine Cases / '06-'17 Dyna-Engine Cases-MetalCore Harley Supply
S&S CYCLES
Dyna Engine Cases / '06-'17 Dyna Sale priceFrom $2,195.95 USD
S&S CYCLES-106" Hot Set Up® Engine Performance Kit / '07-'17 Twin Cam-Big Bore Kit-MetalCore Harley Supply
FEULING-Race Series® "Chain Drive Conversion" Camshaft Kits / Early Twin Cams-Camchest Kits-MetalCore Harley SupplyFEULING-Race Series® "Chain Drive Conversion" Camshaft Kits / Early Twin Cams-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-Super Stock Engine Cases / '92-'99 Evo Big Twin-Engine Cases-MetalCore Harley Supply
FEULING-HP+ Chain Drive Conversion Kits / Early Twin Cam-Camchest Kits-MetalCore Harley SupplyFEULING-HP+ Chain Drive Conversion Kits / Early Twin Cam-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-Gear & Chain Drive Cam Chest Kits / '99-'17 Twin Cams-Camchest Kits-MetalCore Harley SupplyS&S CYCLES-Gear & Chain Drive Cam Chest Kits / '99-'17 Twin Cams-Camchest Kits-MetalCore Harley Supply
FEULING-OE+ Hydraulic Chain Conversion Camchest Kit / Early Twin Cam-Camchest Kits-MetalCore Harley SupplyFEULING-OE+ Hydraulic Chain Conversion Camchest Kit / Early Twin Cam-Camchest Kits-MetalCore Harley Supply
FEULING-Race Series® "Chain Drive" Camshaft Kits / Late Twin Cams-Camchest Kits-MetalCore Harley SupplyFEULING-Race Series® "Chain Drive" Camshaft Kits / Late Twin Cams-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-Super Stock Heads / '84-'99 Evo Big Twin-Heads-MetalCore Harley Supply
FEULING-Race Series® "Gear Drive" Camshaft Kits / Late Twin Cams-Camchest Kits-MetalCore Harley SupplyFEULING-Race Series® "Gear Drive" Camshaft Kits / Late Twin Cams-Camchest Kits-MetalCore Harley Supply
Sold outFEULING - Race Series Oiling and Camchest Freshen Up Kit - MetalCore Harley Supply
FEULING - Race Series Hydraulic Tensioner Conversion - Conversion Cams - MetalCore Harley SupplyFEULING - Race Series Hydraulic Tensioner Conversion - '99-'06 Style Cams - MetalCore Harley Supply
FEULING-HP+ "Gear Drive" Camchest Kits / Late Twin Cams-Camchest Kits-MetalCore Harley SupplyFEULING-HP+ "Gear Drive" Camchest Kits / Late Twin Cams-Camchest Kits-MetalCore Harley Supply
FEULING-HP+® Chain Drive Camchest Kits / Late Twin Cam-Camchest Kits-MetalCore Harley SupplyFEULING-HP+® Chain Drive Camchest Kits / Late Twin Cam-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-124" Cylinder and Piston Kits / '07-'17 Twin Cams-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-Replacement Flywheel Assemblys / '99-'17 Twin Cams-Flywheels-MetalCore Harley SupplyS&S CYCLES-Replacement Flywheel Assemblys / '99-'17 Twin Cams-Flywheels-MetalCore Harley Supply
S&S CYCLES-Bolt-In Sidewinder® 4" Big Bore Kits / '99-'17 Twin Cams-Big Bore Kit-MetalCore Harley SupplyS&S CYCLES-Bolt-In Sidewinder® 4" Big Bore Kits / '99-'17 Twin Cams-Big Bore Kit-MetalCore Harley Supply
REVOLUTION PERFORMANCE-131" | 124" | 117" Monster Big Bore Kits / Twin Cam-Big Bore Kit-MetalCore Harley SupplyREVOLUTION PERFORMANCE-131" | 124" | 117" Monster Big Bore Kits / Twin Cam-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-106" Stroker Flywheel Kits / '99-'16 Twin Cam-Flywheels-MetalCore Harley SupplyS&S CYCLES-106" Stroker Flywheel Kits / '99-'16 Twin Cam-Flywheels-MetalCore Harley Supply
S&S CYCLES-Cam Chest Kits without Cams / Twin Cam Motors-Camchest Kits-MetalCore Harley SupplyS&S CYCLES-Cam Chest Kits without Cams / Twin Cam Motors-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-96" Big Bore Kit / '84-'99 Evo Big Twin-Big Bore Kit-MetalCore Harley Supply
REVOLUTION PERFORMANCE-107" | 113" | 124" Cylinder Kits / Twin Cam-Big Bore Kit-MetalCore Harley SupplyREVOLUTION PERFORMANCE-107" | 113" | 124" Cylinder Kits / Twin Cam-Big Bore Kit-MetalCore Harley Supply
REVOLUTION PERFORMANCE-85" | 92" Bolt-On Big Bore Kit / EVO-Big Bore Kit-MetalCore Harley SupplyREVOLUTION PERFORMANCE-85" | 92" Bolt-On Big Bore Kit / EVO-Big Bore Kit-MetalCore Harley Supply
REVOLUTION PERFORMANCE-Bolt-On Big Bore Kits / '99-06 Twin Cam-Big Bore Kit-MetalCore Harley SupplyREVOLUTION PERFORMANCE-Bolt-On Big Bore Kits / '99-06 Twin Cam-Big Bore Kit-MetalCore Harley Supply
REVOLUTION PERFORMANCE-100" | 109" Monster Big Bore Kit / EVO-Big Bore Kit-MetalCore Harley SupplyREVOLUTION PERFORMANCE-100" | 109" Monster Big Bore Kit / EVO-Big Bore Kit-MetalCore Harley Supply
FEULING - HP+ Hydraulic Tensioner Conversion Kits - Conversion Cams - MetalCore Harley SupplyFEULING - HP+ Hydraulic Tensioner Conversion Kits - Conversion Cams - MetalCore Harley Supply #1
FEULING - HP+ Oiling System and Camchest Freshen Up Kit - MetalCore Harley SupplyFEULING - HP+ Oiling System and Camchest Freshen Up Kit - View 2 - MetalCore Harley Supply
Sold outFEULING - OE+ Oiling System and Camchest Freshen Up Kit - MetalCore Harley Supply
FEULING - Race Series Oil System Packs - Full-Travel - MetalCore Harley SupplyFEULING - Race Series Oil System Packs - Short-Travel - MetalCore Harley Supply
FEULING-Race Series® Oil System Pack / Early Twin Cam-Engine-MetalCore Harley Supply
FEULING-OE+® Hydraulic Cam Chain Tensioner Conversion Kit / Early Twin Cam-Camchest Kits-MetalCore Harley Supply
FEULING-HP+® Oil System Pack / '99-'17 Twin Cams-Camchest Kits-MetalCore Harley SupplyFEULING-HP+® Oil System Pack / '99-'17 Twin Cams-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-Billet Oil Pump / '92-'99 Evo Big Twin-Oil Pump-MetalCore Harley Supply
S&S CYCLES-Forged Roller Rockers / '84-'17-Rocker Arms-MetalCore Harley Supply
FEULING-OE+ Oil Pump and Camplate Kits / '99-'17 Twin Cam-Camchest Kits-MetalCore Harley SupplyFEULING-OE+ Oil Pump and Camplate Kits / '99-'17 Twin Cam-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-High Volume / High Pressure Billet Oil Pump / '92-'99 Evo Big Twin-Oil Pump-MetalCore Harley Supply
FEULING-Race Series® Oil Pump / Twin Cam-Oil Pump-MetalCore Harley SupplyFEULING-Race Series® Oil Pump / Twin Cam-Oil Pump-MetalCore Harley Supply
S&S CYCLES-Easy Start Cam Kits / '99-17 Twin Cams-Cam Kit-MetalCore Harley SupplyS&S CYCLES-Easy Start Cam Kits / '99-17 Twin Cams-Cam Kit-MetalCore Harley Supply
REVOLUTION PERFORMANCE-Big Bore Piston Kit | 85" | 92" | 100" | 109" EVO-Big Bore Kit-MetalCore Harley SupplyREVOLUTION PERFORMANCE-Big Bore Piston Kit | 85" | 92" | 100" | 109" EVO-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-3 1/2" Bore Super Stock Pistons / '84-'99 Evo Big Twin-Pistons-MetalCore Harley Supply
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