Engine (7)

-€35.43

JIMS Hydrosolid Tappets — 0.8425" diameter

Perform like hydraulics up to 5,500 rpm, then convert to solid tappets for roughly 3–6 more usable horsepower; prevents hydraulic pump-up at high rpm; requires adjustable pushrods; made in the U.S.A.

€137.81 €173.24

-€48.84

JIMS Hydrosolid Tappets — 0.9035" diameter

Performs like a self-adjusting fluid lifter to 5,500 rpm, then becomes a solid lifter for about 3–6 additional hp; requires adjustable pushrods. Made in the U.S.A.

€138.01 €186.85

-€36.45

JIMS Powerglide™ Tappets — Oversize (+0.002"), Diameter 0.7330"

Hand-fit hydraulic tappets offering precise roller alignment and exact cam timing; recommend .0007"–.0012" block clearance.

€141.75 €178.20

Powerglide™ Tappets — 0.7310" diameter, Standard

-€25.38

JIMS Powerglide™ Tappets — 0.7310" diameter, Standard

Precision-machined hydraulic tappets for cast iron or aluminum blocks. Fitted to exact clearances for long roller life and accurate cam timing.

€98.68 €124.06

Powerglide™ Tappets — 0.7330" diameter, Oversize +0.002", Standard Hydraulic

-€26.20

JIMS Powerglide™ Tappets — 0.7330" diameter, Oversize +0.002",...

Precision billet-steel hydraulic tappets for Powerglide applications. Hand-fit for exact cam timing and extended roller life.

€101.89 €128.09

-€26.20

JIMS Powerglide™ Tappets — 0.7360" diameter, Oversize +0.005"

Fits cast iron and aluminum valve-lifter blocks
Billet bearing metal construction
Hand fit hydraulic unit, .0002" running fit
Recommended block clearance .0007"–.0012"

€101.89 €128.09

Connecting Rod Assembly — Vendor Part Number 2427586A-BX-LB1

-€77.08

DRAG SPECIALTIES Connecting Rod Assembly — Vendor Part Number 2427586A-BX-LB1

Complete, ready-to-install connecting rod kit engineered for reliable replacement of stock components.

€217.84 €294.92

-€31.17

JIMS Manual Compression Release Valves — Primary starter, Pair, Silver

Reduce starting compression with easy-install manual release valves. Drill and tap each cylinder head 10 mm x 1.0 mm. Fits all Big Twin models.

€121.23 €152.40

-€9.44

JIMS Oil Pump Component — 26346-69/70

Replacement oil pump component for Big Twin models.

€36.69 €46.13

Oil Pump Component — Idler gear, 26317-68A

-€12.82

JIMS Oil Pump Component — Idler gear, 26317-68A

Replacement component for Big Twin models; precision-machined to restore lubrication performance and reduce noise.

€49.89 €62.71

-€14.02

JIMS Oil Pump Component — JIMS idler gear

Replacement component for Big Twin lubrication systems. Precision‑machined for durability and proper fit.

€54.52 €68.54

-€7.44

JIMS Gear-Side Pinion Shaft Nut — 5/8-24

High-strength pinion shaft nut designed for secure gear-side installation and long service life.

€28.92 €36.36

Gear-Side Pinion Shaft Nut — 5/8-24 left-hand threads

-€4.94

JIMS Gear-Side Pinion Shaft Nut — 5/8-24 left-hand threads

Secures the pinion shaft on the gear side; install to specified torque and check endplay after tightening.

€19.22 €24.16

-€6.48

JIMS Valve Lock Keys — 8-pack

Precision-made valve lock keys with a 10° lock angle. Heat-treated and made in the U.S.A. Designed for reliable valve keeper service.

€25.19 €31.67

-€9.31

DRAG SPECIALTIES Heavy-Duty Top Motor Mounts — Chrome, Kit

Plated heavy-duty top motor mounts, 30% thicker than stock. Includes plated choke/horn brackets; select part numbers include socket-head hardware.

€26.32 €35.63

-€12.39

DRAG SPECIALTIES Heavy-Duty Top Motor Mounts — Chrome

Chrome-plated heavy-duty mounts, 30% thicker than stock; include chrome choke/horn brackets and socket-head hardware for select PART #s.

€35.01 €47.40

-€5.92

DRAG SPECIALTIES Oil Pressure Gauge Mount

Chrome mount attaches at the crankcase and rocker box mounting bolt for an unobstructed view; stock sending unit must be removed and gauge sold separately.

€16.70 €22.62

Air Cleaner Support Bracket Kit — Chrome, Gray

-€8.34

DRAG SPECIALTIES Air Cleaner Support Bracket Kit — Chrome, Gray

Support bracket kit for mounting an aftermarket air cleaner to the cylinder heads. Includes gaskets and mounting hardware; breather kits/bolts sold separately.

€23.58 €31.92

-€11.32

DRAG SPECIALTIES Air Cleaner Support Bracket Kit — Chrome, Gray

Secure support bracket kit for air cleaner; includes all gaskets and mounting hardware. Breather kits sold separately.

€32.00 €43.32

-€5.90

DRAG SPECIALTIES Crankcase Vent Filter Assembly — 3/8" I.D., Chrome

One-piece crankcase vent filter assembly with filter clamp and die-cast mounting base; accepts 3/8" I.D. hose. Replacement filters sold separately.

€16.68 €22.58

-€3.24

DRAG SPECIALTIES Crankcase Vent Replacement Filter — Aluminum, chrome top

Replacement filter element for crankcase venting. Replacement filters sold separately.

€9.16 €12.40

-€3.24

DRAG SPECIALTIES Crankcase Vent Replacement Filter — Aluminum, Black

Replacement vent filter that helps keep engine breathers clear. Replacement filters sold separately. Simple installation for routine maintenance.

€9.16 €12.40

-€4.06

DRAG SPECIALTIES Crankcase Vent Replacement Filter — Aluminum, Chrome

Maintains crankcase ventilation and helps prevent oil contamination. Replacement filters sold separately.

€11.45 €15.51

Replacement Piston — 3.457" piston, 3.437" bore, stroke 3-31/32", +0.020" oversize

-€22.31

DRAG SPECIALTIES Replacement Piston — 3.457" piston, 3.437" bore, stroke...

OEM-quality cast aluminum alloy replacement piston. Some fitments feature a coating for reduced friction and cooler running. Kits include two pistons with wrist pins and clips; accepts OEM or Hastings rings (sold separately).

€63.07 €85.38

Replacement Piston — Bore 3.437", Oversize +0.010", Stroke 3-31/32"

-€22.31

DRAG SPECIALTIES Replacement Piston — Bore 3.437", Oversize +0.010", Stroke...

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

€63.07 €85.38

Replacement Piston — bore 3.437", piston diameter 3.457", stroke 3.969", pair

-€22.31

DRAG SPECIALTIES Replacement Piston — bore 3.437", piston diameter 3.457",...

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

€63.07 €85.38

Replacement Piston — 3.518" diameter, 3.498" bore, stroke 4-1/4", +0.020" oversize

-€23.06

DRAG SPECIALTIES Replacement Piston — 3.518" diameter, 3.498" bore, stroke...

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

€65.17 €88.23

-€23.64

DRAG SPECIALTIES Replacement Piston — 3.498" bore, 3.528" diameter, 4-1/4" stroke

OEM-quality cast aluminum alloy replacement pistons. Kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (ordered separately). Economical and ideal for OEM replacement.

€66.80 €90.44

-€23.06

DRAG SPECIALTIES Replacement Piston — Bore 3.498", Oversize +0.030", Stroke 4-1/4"

OEM-quality cast aluminum piston kits. Includes two pistons, wrist pins and clips; accepts OEM or Hastings rings (sold separately). Economical with reliable performance.

€65.17 €88.23

Replacement Piston — 3.498" diameter, 4.25" stroke, 8.5:1 compression

-€21.95

DRAG SPECIALTIES Replacement Piston — 3.498" diameter, 4.25" stroke, 8.5:1...

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

€62.02 €83.97

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