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

Replacement Piston — 3.755" bore, +0.005" oversize, 4-3/8" stroke, kit

-€25.84
Out of Stock

DRAG SPECIALTIES Replacement Piston — 3.755" bore, +0.005" oversize, 4-3/8"...

OEM-quality replacement piston kit with two pistons, wrist pins and clips; accepts OEM or Hastings rings (sold separately).

€73.06 €98.90

Replacement Piston — 3.875" bore, +0.010" oversize, 4-3/8" stroke, kit

-€28.20
Out of Stock

DRAG SPECIALTIES Replacement Piston — 3.875" bore, +0.010" oversize, 4-3/8"...

OEM-quality cast aluminum replacement pistons; kits include two pistons, wrist pins and clips.

€79.68 €107.88

-€30.11
Out of Stock

DRAG SPECIALTIES Piston — 3.750" bore, 9.0:1 compression, kit

OEM-quality replacement pistons for Twin Cam motors; includes two pistons, wrist pins and clips; accepts OEM or Hastings rings.

€85.13 €115.24

$Piston — Bore 3.750\", Oversize +0.005\", 9.0:1$

-€30.11

DRAG SPECIALTIES Piston — Bore 3.750\", Oversize +0.005\", 9.0:1

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

€85.13 €115.24

-€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

$Big Bore Piston — 3.875\" , 10.25:1$

-€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

-€33.18

DRAG SPECIALTIES Big Bore Piston — 3.875" bore, +0.010" oversize

Big Bore piston for Twin Cam engines, ideal for performance rebuilds and restorations.

€93.74 €126.92

Big Bore Piston — 3.875" bore, +0.020" oversize, 10.25:1 compression

-€33.18
Out of Stock

DRAG SPECIALTIES Big Bore Piston — 3.875" bore, +0.020" oversize, 10.25:1...

Big Bore Piston designed for Twin Cam engines; precision replacement for performance upgrades and reliable operation.

€93.74 €126.92

$Piston Kit — Bore 3.937\", 107 cu in, 10.0:1$

-€34.31

DRAG SPECIALTIES Piston Kit — Bore 3.937\", 107 cu in, 10.0:1

Coated aluminum alloy pistons sold as a kit with wrist pins and clips; accepts OEM or Hastings rings (sold separately).

€96.97 €131.28

$Piston Kit — Bore 3.937\", Oversize +0.005\", Displacement 107\", Compression 10.0:1$

-€34.31

DRAG SPECIALTIES Piston Kit — Bore 3.937\", Oversize +0.005\", Displacement...

Coated piston kit — includes two pistons, wrist pins and clips; accepts OEM or Hastings rings (sold separately). Ideal for OEM replacement.

€96.97 €131.28

-€34.31

DRAG SPECIALTIES Piston Kit — Bore 3.937", +0.010" oversize, 107 cu in

Direct OEM replacement; includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

€96.97 €131.28

-€34.31

DRAG SPECIALTIES Piston Kit — 4.000" bore, 10.5:1 compression, 114" displacement

Coated pistons reduce friction and help control operating temperatures.
Includes two pistons, wrist pins and clips for a complete kit.
Ideal for OEM replacement; rings sold separately.

€96.97 €131.28

Piston Kit — Bore 4.000", Oversize +0.005", Compression 10.5:1, Displacement 114 cu in

-€34.31

DRAG SPECIALTIES Piston Kit — Bore 4.000", Oversize +0.005", Compression...

Coated pistons reduce friction and improve durability; includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

€96.97 €131.28

Piston Kit — Bore 4.000", Oversize +0.010", Compression ratio 10.5:1, Displacement 114"

-€34.31
Out of Stock

DRAG SPECIALTIES Piston Kit — Bore 4.000", Oversize +0.010", Compression ratio...

Coated pistons for extended life; OEM replacement kit includes two pistons, wrist pins and clips. Rings sold separately.

€96.97 €131.28

-€32.03

DRAG SPECIALTIES Replacement Piston Kit — 3.875" bore, 9.4:1 compression

OEM-quality replacement piston kit includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

€90.50 €122.53

Replacement Piston Kit — 3.875" bore, +0.005" oversize, 9.4:1 compression

-€32.03

DRAG SPECIALTIES Replacement Piston Kit — 3.875" bore, +0.005" oversize, 9.4:1...

Complete piston kit with two pistons, wrist pins and clips; OEM-quality cast aluminum construction.

€90.50 €122.53

$Replacement Piston Kit — Bore 3.875\", Oversize +0.010\", Compression ratio 9.4:1$

-€32.03
Out of Stock

DRAG SPECIALTIES Replacement Piston Kit — Bore 3.875\", Oversize +0.010\",...

Economical OEM-quality kit includes two pistons, wrist pins and clips; accepts OEM or Hastings rings.

€90.50 €122.53

Replacement Piston Kit — Bore 3.875" +0.020", Compression ratio 9.4:1

-€32.03

DRAG SPECIALTIES Replacement Piston Kit — Bore 3.875" +0.020", Compression...

OEM-quality cast aluminum alloy replacement kit; includes two pistons, wrist pins and clips. Economical with great performance.

€90.50 €122.53

-€23.26
Out of Stock

DRAG SPECIALTIES Piston Kit — Bore 3.000", 9.0:1 compression

OEM-replacement piston kit; includes two pistons, wrist pins and circlips; accepts OEM or Hastings rings.

€65.73 €88.99

-€23.26
Out of Stock

DRAG SPECIALTIES Piston Kit — Bore 3.000", Oversize +0.005"

OEM replacement piston kit; includes two pistons, wrist pins and circlips. Accepts OEM or Hastings rings (sold separately).

€65.73 €88.99

-€23.26
Out of Stock

DRAG SPECIALTIES Piston Kit — Bore 3.000", Oversize +0.010"

Ideal OEM replacement; includes two pistons, wrist pins and circlips; accepts OEM or Hastings rings (sold separately).

€65.73 €88.99

-€30.51
Out of Stock

DRAG SPECIALTIES Piston Kit — 3.498" bore, 9.5:1 compression ratio

OEM replacement kit with two pistons, wrist pins and circlips; accepts OEM or Hastings rings (sold separately).

€86.19 €116.70

-€30.51
Out of Stock

DRAG SPECIALTIES Piston Kit — 3.498" bore, +0.005" oversize, 9.5:1 compression

OEM-quality replacement kit with two pistons, wrist pins and circlips; accepts OEM or Hastings rings.

€86.19 €116.70

-€30.51
Out of Stock

DRAG SPECIALTIES Piston Kit — Bore 3.498 in, Oversize +0.010 in, Compression...

OEM-replacement kit with two pistons, wrist pins and circlips; accepts OEM or Hastings rings (sold separately). Coated skirts reduce friction and extend piston life.

€86.19 €116.70

-€116.67

DRAG SPECIALTIES Connecting Rod Assembly — 84589

Durable replacement connecting rod assembly that meets or exceeds OEM specs and ships fully fitted for easy installation.

€329.73 €446.40

Connecting Rod Set — DRAG SPECIALTIES, 89786

-€124.44
Out of Stock

DRAG SPECIALTIES Connecting Rod Set — DRAG SPECIALTIES, 89786

Heavy-duty replacements that meet or exceed OEM specifications. Complete set includes crankpin, retainers, bearings and nuts; fitted and ready to install. Verify rod-to-flywheel clearance.

€351.69 €476.13

-€133.93

DRAG SPECIALTIES Connecting Rod Set — Steel, Heavy Duty

Durable replacement connecting rods, fitted and ready to install. Verify rod beam to flywheel clearance before final assembly.

€378.49 €512.42

-€84.56

DRAG SPECIALTIES Connecting Rod Assembly — Heavy Duty, Set

Durable replacement that meets or exceeds OEM specs; fully fitted and ready to install. Includes crankpin, retainers, bearings and nuts.

€238.95 €323.51

-€3.43

DRAG SPECIALTIES Rocker Shaft Adjuster Kit — Front, Rear, Exhaust, Intake

Complete set of shims, spacers and seals to rebuild the four rocker shafts in '66–'84 Shovelhead engines; replace with each valve job.

€9.69 €13.12

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