Sifton
Sifton manufactures premium motorcycle engine components, carburetor parts, valvetrain upgrades and fuel system accessories for Harley-Davidson and custom V-twin motorcycles. Known for high-performance camshafts, tappets, oil pumps, carburetor rebuild kits and petcocks, Sifton products are widely used in restoration, maintenance and performance engine builds. Riders searching for Harley engine parts, motorcycle carburetor rebuild kits, V-twin camshafts and performance tappets trust Sifton for durability and precision-engineered fitment.
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Out of stock
V-Twin - 11-1106 - 1000cc Nitrate Steel Intake Valve
Sifton
$45.05V-Twin - 11-1106 - 1000cc Nitrate Steel Intake ValveDescriptionSifton nitrate steel intake valve Fits:XL 1970-1985Additional Information UOM1 - EA ManufacturerSifton OriginUSA 2025 Catalog...$45.05 -
V-Twin - 11-0865 - Elevator Type Solid Tappet Set
Sifton
$382.02V-Twin - 11-0865 - Elevator Type Solid Tappet SetDescriptionElevator solid tappet block kit raises the lifter top for better pushrod angle of travel. Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD...$382.02 -
V-Twin - 11-0821A - Sifton Lower Valve Collar
Sifton
MSRP: $9.50$9.41V-Twin - 11-0821A - Sifton Lower Valve CollarDescriptionSifton lower valve collar is machined for K line style seals. Fits:XL 1957-1985Additional Information UOM1 - EA ManufacturerSifton OriginUSAMSRP: $9.50$9.41 -
V-Twin - 11-0819 - Rocker Arm Shaft Kit
Sifton
$328.81V-Twin - 11-0819 - Rocker Arm Shaft KitDescriptionSifton rocker arm and shaft kit for Shovelhead models includes four rocker arms with bushings installed, o-rings, four shafts, shims, spacers, chrome...$328.81 -
Out of stock
V-Twin - 11-0796 - Nitrate Valve and Spring Kit
Sifton
$142.11V-Twin - 11-0796 - Nitrate Valve and Spring KitDescriptionSifton valve and spring kit for Shovelhead models includes 2 intake and 2 exhaust valve with nitrate finish, complete spring set, keepers...$142.11 -
Out of stock
V-Twin - 11-0795 - Nitrate Valve and Spring Kit
Sifton
$189.97V-Twin - 11-0795 - Nitrate Valve and Spring KitDescriptionSifton valve and spring kit for Shovelhead models includes 2 intake and 2 exhaust valve with nitrate finish, complete spring set, keepers...$189.97 -
Out of stock
V-Twin - 11-0794 - Nitrate Valve and Spring Kit
Sifton
$226.56V-Twin - 11-0794 - Nitrate Valve and Spring KitDescriptionSifton valve and spring kit for Shovelhead models includes 2 intake and 2 exhaust valve with nitrate finish, complete spring set, keepers...$226.56 -
V-Twin - 11-0636 - Cylinder Stud Insert
Sifton
MSRP: $38.69$37.92V-Twin - 11-0636 - Cylinder Stud InsertDescriptionCylinder stud insert only comes as 8 pieces. Fits:FXST 1986-1998FLT 1986-1998FXD 1991-1998FXR 1986-1994FLST 1986-1998Additional Information UOM8 -...MSRP: $38.69$37.92 -
V-Twin - 11-0611 - Steel Exhaust Valve
Sifton
$50.16V-Twin - 11-0611 - Steel Exhaust ValveDescriptionSifton steel exhaust valve Fits:UL 1937-1948 74" & 80"Additional Information OEM No.18082-37 UOM1 - EA ManufacturerSifton OriginUSA ...$50.16 -
V-Twin - 11-0605 - Nitrate Steel Intake Valve
Sifton
$27.92V-Twin - 11-0605 - Nitrate Steel Intake ValveDescriptionNitrate steel intake valve is manufactured with a special nitrided process which helps improve wear properties and also reduces friction...$27.92 -
V-Twin - 11-0601 - Steel Intake Valve
Sifton
MSRP: $44.67$43.78V-Twin - 11-0601 - Steel Intake ValveDescriptionSteel intake valve is for 45" Side Valve models.Intake valve measures 1-5/8". Fits:WL 1929-1952G 1929-1973Additional Information OEM No.18070-32 UOM1...MSRP: $44.67$43.78 -
V-Twin - 11-0600 - Steel Intake Valve
Sifton
$48.61V-Twin - 11-0600 - Steel Intake ValveDescriptionSteel intake valve Fits:UL 1937-1948 74" & 80"Additional Information OEM No.18072-37 UOM1 - EA MeasurementsAdditional InformationHead...$48.61 -
V-Twin - 11-0597 - Sifton Solid Tappet Kit Alloy Finish
Sifton
$462.20V-Twin - 11-0597 - Sifton Solid Tappet Kit Alloy FinishDescriptionSifton solid tappet kit includes alloy lifter blocks, tappets with adjuster screw, pushrods and gasket sets.. Fits:FL...$462.20 -
V-Twin - 11-0517 - Rocker Arm Adjuster Kit
Sifton
MSRP: $37.85$37.09V-Twin - 11-0517 - Rocker Arm Adjuster KitDescriptionSifton rocker adjuster kit includes 4 steel spacers, 4 tempered pre-load spring washers and 4 no-leak rocker seals. Fits:FLT 1979-1983FX...MSRP: $37.85$37.09 -
V-Twin - 10-2572 - 3-Hole Crank Pin Kit
Sifton
$158.07V-Twin - 10-2572 - 3-Hole Crank Pin Kit Description Crank pin kit includes crank pin, rod races, standard rod rollers, and retainers. Fits: XL 1957-1980 Additional Information UOM 1...$158.07 -
Out of stock
V-Twin - 10-2571 - 2-Hole Crank Pin Kit
Sifton
$136.18V-Twin - 10-2571 - 2-Hole Crank Pin Kit Description Crank pin kit includes 2 oil hole crank pin, rod races, standard rod rollers, and retainers. Fits: FLT 1981-1998 FXST 1984-1998 FXR...$136.18 -
V-Twin - 10-2562 - 2-Hole Crank Pin Kit
Sifton
$144.18V-Twin - 10-2562 - 2-Hole Crank Pin Kit Description Kit includes crank pin, rod races, standard rod rollers and retainers. Crank pin is 2 oil hole type. Fits: FX 1971-1980 FL...$144.18 -
V-Twin - 10-1822 - Sifton Hydraulic Tappet Standard
Sifton
$56.84V-Twin - 10-1822 - Sifton Hydraulic Tappet StandardDescriptionSifton tappet is made of forged steel and has heavier springs installed. For TC-88, TC-96 and M8 engines Fits:FXST 1999-UPFLST 1999-UPFLT...$56.84 -
V-Twin - 10-1821 - Sifton Hydraulic Tappet Standard
Sifton
$55.19V-Twin - 10-1821 - Sifton Hydraulic Tappet StandardDescriptionSifton tappet is made of forged steel with an anti-pump design with heavier springs installed. For TC-88, TC-96 and M8 engines. Fits:FXST...$55.19 -
Out of stock
V-Twin - 10-1819 - Sifton 45 inch WR Cam Set
Sifton
$664.51V-Twin - 10-1819 - Sifton 45 inch WR Cam SetDescriptionSifton 4 piece 45" WR cam set, for use with bushings, features the original design lobes by Tom Sifton in the late 1940's.For use with roller...$664.51 -
Out of stock
V-Twin - 10-1812 - ULH Cam Lobe Set
Sifton
$588.89V-Twin - 10-1812 - ULH Cam Lobe SetDescriptionULH cam lobe set for dirt track use.Sold as a set of four. Fits:U 1937-1948Additional Information UOM1 - SET ManufacturerSifton OriginImported 2025...$588.89 -
V-Twin - 10-1804 - Sifton WR/KR Cam Lobe Set
Sifton
$487.87V-Twin - 10-1804 - Sifton WR/KR Cam Lobe SetDescriptionSifton WR/KR camshaft lobe set includes four lobes. Features KR lobe profile that fits "W + G" 45" motor. Also works in WR but requires roller...$487.87 -
V-Twin - 10-1635 - Sifton 4.250 inch Stroke Flywheel Set
Sifton
$441.76V-Twin - 10-1635 - Sifton 4.250 inch Stroke Flywheel SetDescriptionSifton cast flywheel set with a 4.250" stroke and a 6 taper for shafts. The sprocket shaft side of the flywheel is narrow style.The...$441.76 -
V-Twin - 10-1602 - Replica 4.250 inch Stroke Flywheel Set
Sifton
$371.69V-Twin - 10-1602 - Replica 4.250 inch Stroke Flywheel SetDescriptionReplica flywheel set with a 4.250" stroke and a 6 taper for shafts with cast construction top. The sprocket shaft side of the...$371.69 -
V-Twin - 10-1601 - Replica 3.968 inch Stroke Flywheel Set
Sifton
$580.00V-Twin - 10-1601 - Replica 3.968 inch Stroke Flywheel SetDescriptionReplica flywheel set with 3.968 stroke features cast forge construction to accept OE style components for 74" engine.The pin for...$580.00 -
V-Twin - 10-1192 - Sifton 45 Crank Pin
Sifton
$61.48V-Twin - 10-1192 - Sifton 45 Crank PinDescriptionSifton 2-hole crank pin is made of 8620 steel with a heat treatment depth of .062".You must align oil feed in flywheels with crank pin. OEM uses two...$61.48 -
Out of stock
V-Twin - 10-1191 - Sifton Evolution EV27 Cam Shaft
Sifton
$227.61V-Twin - 10-1191 - Sifton Evolution EV27 Cam ShaftDescriptionSifton Evolution cam shaft is a bolt-in street cam with fast open and close ramps for EV80 engines. Cam lift is .495".Similar timing to...$227.61 -
Out of stock
V-Twin - 10-1174 - Sifton Stock Flywheel Assembly
Sifton
$1,044.09V-Twin - 10-1174 - Sifton Stock Flywheel AssemblyDescriptionSifton stock flywheel assemby is assembled and trued with shafts included. Fits:WL 1937-1952G 1937-1973DL 1929-1931W 1937-1952WL...$1,044.09 -
V-Twin - 10-1148 - Sifton 45 Flywheel Set
Sifton
$539.00V-Twin - 10-1148 - Sifton 45 Flywheel SetDescriptionSifton right and left flywheel set aceepts an OEM pin, and is for Side Valve models. Fits:G 1941-1973W 1941-1952Additional Information UOM1 - SET ...$539.00 -
V-Twin - 10-0852 - Sifton Standard Solid Tappet Assembly
Sifton
$149.27V-Twin - 10-0852 - Sifton Standard Solid Tappet AssemblyDescriptionFeature centrical surface fine grinding and max-axle precision fit with maxi-roller and pin assembly.Includes adjuster screws and...$149.27 -
V-Twin - 10-0824 - Sifton Standard Hydraulic Tappet Set
Sifton
$150.25V-Twin - 10-0824 - Sifton Standard Hydraulic Tappet SetDescriptionForged steel standard hydraulic tappets are OE replacement quality with precision ground outer diameter and accurate sized pin fitted...$150.25 -
V-Twin - 10-0823 - Sifton Solid Tappet Assembly
Sifton
$282.04V-Twin - 10-0823 - Sifton Solid Tappet AssemblyDescriptionIncludes roller tappets and fully adjustable pushrod set. Fits:XL 1986-1990Additional Information UOM1 - KIT ManufacturerSifton ...$282.04 -
V-Twin - 10-0822 - Sifton Hydraulic Tappet Assembly
Sifton
$675.32V-Twin - 10-0822 - Sifton Hydraulic Tappet AssemblyDescriptionIncludes roller tappets and fully adjustable pushrod set. Fits:XL 1986-1990Additional Information UOM1 - KIT ManufacturerSifton ...$675.32 -
Out of stock
V-Twin - 10-0821 - Sifton Solid Tappet Assembly
Sifton
$188.32V-Twin - 10-0821 - Sifton Solid Tappet AssemblyDescriptionIncludes roller tappets and fully adjustable pushrod set. Fits:XL 1957-1984Additional Information UOM1 - KIT ManufacturerSifton OriginUSA ...$188.32 -
V-Twin - 10-0820 - Sifton Hydraulic Tappet Standard
Sifton
$48.06V-Twin - 10-0820 - Sifton Hydraulic Tappet StandardDescriptionForged steel standard hydraulic tappet is OE replacement with precision ground outer diameter and accurate sized pin fitted to roller...$48.06 -
V-Twin - 10-0781 - Hydraulic Tappet Assembly Set .005
Sifton
$153.89V-Twin - 10-0781 - Hydraulic Tappet Assembly Set .005DescriptionAssembly is .005 oversize and features centrifugal surface fine grinding and precision fit rollers and pins. Fits:FLT 1984-1998FXST...$153.89 -
V-Twin - 10-0780 - Hydraulic Tappet Assembly .002
Sifton
$173.10V-Twin - 10-0780 - Hydraulic Tappet Assembly .002DescriptionAassembly is .002 oversize and features centrifugal surface fine grinding and precision fit rollers and pins. Fits:FLT 1984-1998FXST...$173.10 -
V-Twin - 10-0770 - Sifton Standard Solid Tappet Assembly
Sifton
$176.07V-Twin - 10-0770 - Sifton Standard Solid Tappet AssemblyDescriptionFeatures centrifugal surface fine grinding and precision fit rollers and pins. Includes adjuster screws and lock nuts.Set of four. ...$176.07 -
Out of stock
V-Twin - 10-0680 - Sifton Hydraulic Tappet Assembly Kit
Sifton
$307.66V-Twin - 10-0680 - Sifton Hydraulic Tappet Assembly KitDescriptionIncludes tappets with large single axle roller design and hydraulic units. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL...$307.66 -
V-Twin - 10-0611 - Side Kick Cam
Sifton
$98.88V-Twin - 10-0611 - Side Kick CamDescriptionSifton Side Kick cam is similar to 102 cam, but with more top end power. Cam lift is .390 and requires no head work to install.Fits 1977 and later Big Twin...$98.88
Sifton Performance Engine Systems – Harley Camshafts, Tappets, Petcocks & Carburetor Components
Sifton is a respected name in the V-twin motorcycle industry, specializing in Harley-Davidson engine components, carburetor parts, oil system upgrades and valvetrain performance products. The brand is commonly associated with high-intent searches such as Harley engine rebuild parts, motorcycle tappet kits, V-twin camshafts and carburetor rebuild kits, especially among riders restoring or upgrading classic and custom Harley-Davidson motorcycles. Sifton products are designed to improve engine reliability, fuel delivery and overall drivetrain performance.
The Sifton product lineup includes hydraulic tappets, solid tappet assemblies, camshafts, oil pumps, carburetor overhaul kits, petcocks, intake manifold kits and fuel system components for a wide range of Harley-Davidson applications. Riders frequently search for Harley carburetor rebuild kit, Sifton EV27 camshaft, motorcycle fuel petcock and Harley tappet upgrade when maintaining vintage motorcycles or building high-performance V-twin engines. The brand is also recognized for precision-engineered transmission parts, throttle assemblies and engine service tools.
Sifton components are widely used in custom motorcycle builds, classic Harley restorations and performance-oriented V-twin engine projects due to their durable construction and reliable fitment. Search demand remains strong for Harley valvetrain components, motorcycle oil pump assemblies, Linkert carburetor parts and V-twin engine upgrade kits, making Sifton a trusted choice among builders and riders seeking dependable aftermarket motorcycle engine solutions.