Engine

-€3.54

DRAG SPECIALTIES Bolt-In Valve Stem — 6.1 mm hole, Chrome

Secure valve stem designed for reliable sealing and straightforward installation.

€7.59 €11.13

-€3.70

DRAG SPECIALTIES Bolt-In Valve Stem

Durable Bolt-In Valve Stem with metal bottom and rubber seal for optimal performance.

€7.92 €11.62

High-Performance Piston Kit — 3.5055" piston, 3-13/16" stroke, 1200 cc, Aluminum

-€95.59

WISECO High-Performance Piston Kit — 3.5055" piston, 3-13/16" stroke,...

Complete top-end piston kit with X-Ring package, rings, retainer clips and chrome piston pins. Made in the USA.

€270.44 €366.03

Tracker Series™ Piston Kit — 3.875" bore, 1546 cc

-€68.28

WISECO Tracker Series™ Piston Kit — 3.875" bore, 1546 cc

Two-piston kit with forged crowns, precision-fit rings, force-fed pin oiling, pressure-seal groove and ArmorGlide® skirt coating for reduced friction and improved durability.

€193.19 €261.47

Tracker Series™ Piston Kit — Bore 3.885", Oversize +0.010", Stroke 4.000", 1554 cc

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.885", Oversize +0.010",...

Forged, precision-fit piston kit with ArmorGlide® coating; includes two pistons, rings, pins and circlips. Made in the USA.

€193.19 €261.47

Tracker Series™ Piston Kit — Bore 3.875", Displacement 1691 cc, Compression 10.5:1

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.875", Displacement 1691...

Forged, precision-fit piston kit with ArmorGlide® skirt coating and force-fed pin oiling. Value-pack includes two pistons, rings, pins, and circlips.

€193.19 €261.47

Tracker Series™ Piston Kit — Bore 3.885 in, Stroke 4.375 in, Oversize +0.010 in

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.885 in, Stroke 4.375 in,...

Durable forged piston kit with low-friction skirt coating; includes two pistons, rings, pins and circlips, made in the USA.

€193.19 €261.47

Tracker Series™ Piston Kit — Bore 3.895", Oversize +0.020", Stroke 4.375", Compression 10.5:1

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.895", Oversize +0.020",...

Forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, piston pins and circlips.

€193.19 €261.47

Tracker Series™ Piston Kit — 3.498" bore, 3.812" stroke, 1200 cc, 9.5:1

-€57.15

WISECO Tracker Series™ Piston Kit — 3.498" bore, 3.812" stroke, 1200...

Durable forged pistons with ArmorGlide® skirt coating, precision-fit rings and force-fed pin oiling. Value-pack kit with pins and circlips. Made in the USA.

€161.68 €218.83

Tracker Series™ Piston Kit — Bore 3.508", Oversize +0.010", Stroke 3.812", CR 9.5:1

-€57.15

WISECO Tracker Series™ Piston Kit — Bore 3.508", Oversize +0.010",...

High-performance forged piston kit with ArmorGlide® skirt coating, precision rings, and force-fed pin oiling. Includes pistons, rings, pins, and circlips.

€161.69 €218.84

Tracker Series™ Piston Kit — 3.518" bore, 3-13/16" stroke, 1214 cc

-€57.15

WISECO Tracker Series™ Piston Kit — 3.518" bore, 3-13/16" stroke,...

Two-piston kit engineered for strong sealing, improved lubrication and reduced friction. Includes pistons, rings, pins and circlips. Made in the USA.

€161.68 €218.83

-€62.50

WISECO Tracker Series™ Piston Kit — 3.508" bore, 4.250" stroke, 1,345 cc

Forged pistons with generous valve pockets for big valves and cams.

Includes rings, piston pins and circlips for two pistons.

Force-fed pin oiling and a pressure-seal groove enhance sealing and durability.

€176.82 €239.32

Piston Kit — 4.016" bore, 4.5" stroke, 11.0:1 compression, 114 cu in

-€104.06

WISECO Piston Kit — 4.016" bore, 4.5" stroke, 11.0:1 compression, 114...

ArmorX™-coated pistons with ArmorFit™ skirts for smooth, quiet operation. Includes pistons, rings, piston pins and circlips. Fits OEM and Screamin’ Eagle heads. Made in the U.S.A.

€214.73 €318.79

-€104.06

WISECO Piston Kit — 4.077" piston, 11.3:1 compression, 118 ci

High-performance piston kit with ArmorFit™ and ArmorX™ coatings for reduced wear, improved sealing and reliable fitment.

€87.22 €191.28

-€95.59

WISECO Forged Piston Kit — 1200 cc, 12.0:1

High-performance piston kit with aerospace-grade alloys. Includes pistons, rings, pins, clips, and needle bearing when applicable. Dyno-tested for superior performance.

€270.44 €366.03

-€23.55

DRAG SPECIALTIES Replacement Piston — 3.750" bore, 4-3/8" stroke, kit

OEM-quality cast aluminum replacement piston; kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

€66.56 €90.11

Replacement Piston — Bore 3.760", Oversize +0.010", Stroke 4-3/8", Kit

-€23.55

DRAG SPECIALTIES Replacement Piston — Bore 3.760", Oversize +0.010", Stroke...

OEM-quality cast aluminum replacement piston kit; includes two pistons, wrist pins and clips.

€66.56 €90.11

-€26.33

DRAG SPECIALTIES Replacement Piston — 3.875 in diameter, 4.375 in stroke, 9.6:1

OEM-quality replacement piston kit. Includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings.

€74.41 €100.74

-€26.33

DRAG SPECIALTIES Replacement Piston — Bore 3.875 in, Stroke 4-3/8 in

OEM-quality cast aluminum alloy piston kit; includes two pistons, wrist pins, and clips. Rings sold separately.

€74.41 €100.74

-€30.11

DRAG SPECIALTIES Piston — 3.750" bore, +0.010" oversize, 9.0:1 compression

OEM-quality cast aluminum piston kit for Twin Cam motors; includes two pistons, wrist pins and clips.

€85.13 €115.24

-€29.38

DRAG SPECIALTIES Piston — 3.750" bore, +0.020" oversize

OEM-quality piston kit for Twin Cam motors. Includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings.

€83.05 €112.43

-€32.37

DRAG SPECIALTIES Big Bore Piston — Bore 3.875" , Compression 10.25:1

Big Bore piston for Twin Cam engines — precision-machined for dependable performance and straightforward installation.

€91.45 €123.82

Big Bore Piston — Bore 3.875", Oversize +0.005", Compression ratio 10.25:1

-€30.22

DRAG SPECIALTIES Big Bore Piston — Bore 3.875", Oversize +0.005", Compression...

Big bore piston for Twin Cam engines, precision-machined for durability and performance.

€85.40 €115.62

High-Performance Replacement Ring Set — 3.875" bore, +0.010" oversize, 95" displacement

-€10.69

WISECO High-Performance Replacement Ring Set — 3.875" bore, +0.010"...

Includes rings for one piston only.

Designed specifically for compatibility with Wiseco pistons.

€15.51 €26.20

-€121.41

DRAG SPECIALTIES Connecting Rod Set — Heavy Duty, Steel

Reinforced replacements that meet or exceed OEM specs. Pre-assembled set with two-hole crankpin, retainers, bearings and nuts. Verify rod-to-flywheel clearance.

€343.11 €464.52

-€82.49

DRAG SPECIALTIES Connecting Rod Assembly — 24281-74A-BXLB1Z

Durable, OEM-compliant replacement that ships fitted and ready to install; complete kit with crankpin, retainers, bearings and nuts.

€233.13 €315.62

-€84.14

DRAG SPECIALTIES Connecting Rod Assembly — 24281-83-BX-LB1Z

Heavy-duty replacement that meets or exceeds OEM specs. Complete set fitted and ready to install; includes two-hole crankpin, aluminum retainers, bearings, nuts and forged heat-treated rods.

€237.78 €321.92

-€0.77

DRAG SPECIALTIES Rocker Shaft Seals — 4 Pack, 1966–1984 Shovelhead

Complete seal set with shims and spacers to rebuild all four rocker arm shafts on 1966–1984 Shovelhead engines. Replace with each valve job.

€2.18 €2.95

-€28.72

DRAG SPECIALTIES Pushrod Tube Kit — Black, 77334B

Complete kit with upper and lower tubes, clips, cups, springs and washers. O-rings and corks sold separately. One kit fits a complete engine.

€81.16 €109.88

Replacement Cylinder for Evolution Motors — 3.500" bore, 1340 cc, Black

-€85.68

DRAG SPECIALTIES Replacement Cylinder for Evolution Motors — 3.500" bore, 1340...

Direct-fit replacement cylinders with ductile cast-iron sleeves in aluminum castings; finish-honed for precise piston fit.

€242.15 €327.83

shop by category

Engine

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine