Engine (2)

Roller Rocker Arms — fits cams to 0.700" lift at 1.625 ratio, set of 4, steel

-€228.22

JIMS Roller Rocker Arms — fits cams to 0.700" lift at 1.625 ratio,...

Ultra-light roller rocker arms with 660 bronze bushings and a bearing-grade roller tip. Accepts up to 0.700" lift; Twin Cam boxes may need clearance.

€887.55 €1,115.77

-€30.23

JIMS Crank Pin — 3-hole, Silver

Quality replacement that equals or exceeds OEM specifications. Made in the U.S.A.

€117.56 €147.79

-€25.75

JIMS Billet Tappet Guide — 7075-T6 aluminum

Precision-machined billet tappet guide with helical grooves for improved lubrication. Made in the U.S.A.

€100.16 €125.91

-€22.74

JIMS Motor Sprocket Shaft — JIMS, 24001-30

Precision-machined motor sprocket shaft for reliable power transfer. Made in the U.S.A.

€88.47 €111.21

-€34.23

JIMS Pinion Gear Shaft — JIMS 24006-73

Precision pinion gear shaft engineered for smooth gearbox operation. Made in the U.S.A.

€133.14 €167.37

-€29.41

JIMS Right-Side Crankcase Bushing — Standard size

Precision right-side engine-housing insert with 360° oiling. Made in the U.S.A. Provides reliable support and reduced wear.

€114.35 €143.76

-€31.75

JIMS Big Axle™ Powerglide™ Tappets — 0.8425" diameter, hydraulic

Precision-engineered rollers and enlarged axle eliminate play for improved cam tracking. Made in the U.S.A.

€123.44 €155.19

-€8.24

COMP CAMS V-Thunder™ Tappet Assembly — COMP CAMS Hy-Rev, Hydraulic, 7410-1

Oil-metering hydraulic roller lifter with hardened high-carbon/chromium rollers, carbo-nitrided pushrod seat, and 100% testing; HY-REV™ and PRO-MAGNUM™ variants.

€23.31 €31.55

-€37.49

JIMS Powerglide™ Tappets — 0.7310" diameter, Standard, Hydraulic

Precision-machined Powerglide™ hydraulic tappets, hand-fit for exact cam timing and extended roller life.

€145.77 €183.26

-€30.63

JIMS Powerglide™ Tappets — Standard, 0.7310" diameter

Precision Powerglide™ tappets for cast iron or aluminum tappet blocks. Recommend fitting with .0007"–.0012" clearance. Hand-fit hydraulic unit to .0002" for exact cam timing.

€119.11 €149.74

-€47.62

JIMS Powerglide™ Tappets — Oversize (+0.005"), 0.7360", Hydraulic

Precision billet-machined tappets, hand-fitted for exact cam timing and improved roller life.

€185.22 €232.84

-€36.91

JIMS Tappets — Standard, Solid

Precision roller assembly with larger outer rollers, smaller pin bearings for higher rpm, and an enlarged axle that eliminates internal movement. Made in the U.S.A.

€143.55 €180.46

-€34.50

JIMS Big Axle™ Powerglide™ Tappets — Diameter 0.9035"

High-precision hydraulic tappets with micro-finish bore and oversized axle for improved cam tracking.

€134.17 €168.67

-€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

-€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

-€179.90
Out of Stock

JIMS Forceflow Cylinder Head Cooler Kit — Chrome

Plug-and-play cooler kit with a high-powered, waterproof fan and temperature-activated switch; includes wiring, hardware and instructions. Not for "Twin Cooled" models.

€699.64 €879.54

Forceflow Cylinder Head Cooler Kit — Black, not for Twin Cooled models

-€151.61
Out of Stock

JIMS Forceflow Cylinder Head Cooler Kit — Black, not for Twin...

Complete plug-and-play cylinder head cooler kit with a waterproof fan, temperature-activated switch (140°F), OEM-type replacement horn, wiring and hardware. Not for "Twin Cooled" models.

€589.64 €741.25

-€179.90
Out of Stock

JIMS Forceflow Cylinder Head Cooler Kit — Chrome

Complete plug-and-play kit with high-powered waterproof fan and temperature-controlled operation; installs without drilling. Not for "Twin Cooled" liquid-cooled heads.

€699.64 €879.54

-€73.75
Out of Stock

JIMS Low-Profile Billet Tappet Covers/Pushrod Cover Kit — Black

Low-profile billet tappet and pushrod cover kit; fits Twin Cam pushrod covers only; sits 1/2" lower than stock; includes gaskets, O-rings and screws; made in USA.

€286.83 €360.58

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