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 — 7.6 mm (0.3") , Chrome

Secure replacement valve stem with a metal bottom and rubber seal for reliable sealing.

€7.92 €11.62

-€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

-€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

$Big Bore Piston — 3.875\" , 10.25:1$

-€32.37

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

Direct-fit Big Bore piston for Twin Cam engines, built for durability and consistent performance.

€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

-€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

-€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

Includes upper and lower tubes, clips, cups, springs and washers; O-rings/corks sold separately. One kit completes an 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

$Replacement Cylinder — 3.750\", 88/96 cu in$

-€76.40

DRAG SPECIALTIES Replacement Cylinder — 3.750\", 88/96 cu in

OEM black textured powder-coat with highlighted fins; excellent for stock replacement.

€215.92 €292.32

-€36.40

DRAG SPECIALTIES High Performance Oil Pump — High volume, Steel

Improves oil pressure and volume, reduces oil carryover at high rpm, 53mm rotors, die-cast aluminum body with high-strength steel gears. Fits stock and aftermarket cam support plates; not compatible with Screaming Eagle cam plate.