Engine Parts

Case Screw
Diameter ⌀: 1/4 inch
Length UH: 7/8 inch
Thread Form: CEI BSF 26tpi
Head Style: Fillister Posidriv
Finish: Plated
aka: E3800

Case Screw
Diameter ⌀: 1/4 inch
Length UH: 1&1/8 inch
Thread Form: CEI BSF 26tpi
Head Style: Fillister Posidriv
Finish: Plated
aka: E3801

Case Screw
Diameter ⌀: 1/4 inch
Length UH: 2&3/4 inch
Thread Form: CEI BSF 26tpi
Head Style: Fillister Posidriv
Finish: Plated
aka: E3802

Crankcase Stud
Triumph Unit 350 500
End 1: 5/16 CEI 26tpi
End 2: 5/16 BSF 22tpi
Overall Length: 3&3/4 inch
aka: E3803

Crankcase Stud
Triumph Unit 350 500
End 1: 5/16 CEI 26tpi
End 2: 5/16 CEI 26tpi
Overall Length: 3&3/16 inch
aka: E3804

Stator Stud Spacer
Triumph Unit 350 500
aka: E3810

Engine Mount Stud
Triumph Unit 350 500
End 1: 3/8 CEI 26tpi
End 2: 3/8 CEI 26tpi
Overall Length: 7&7/8 inch
aka: E3812

Cylinder Base Stud
End 1: 3/8 CEI 26tpi
End 2: 3/8 BSF 20tpi
Overall Length: 1&3/4 inch
Triumph Unit 350 500
aka: E3819

Cylinder Base Stud
End 1: 3/8 CEI 26tpi
End 2: 3/8 BSF 20tpi
Overall Length: 1&1/2 inch
Triumph Unit 350 500
aka: E3820

Camshaft Breather Plate
Triumph Unit 350 500
BSA A50 A65
aka: E3822

Engine Bolt Spacer
Triumph T20
Tiger Cub
aka: E3843

Alternator Rotor Key
Triumph Unit 350 500
aka: E3851

Rocker Box Washer
Triumph Unit 350 500
Hole Diameter ⌀: 1/4 inch
aka: E3857

Crankcase Mouth Screw
Triumph Unit 350 500
Diameter ⌀: 1/4 inch
Length UH: 5/8 inch
Thread Form: CEI BSF 26tpi
Head Style: Slotted Button
aka: E3859

Left Crank Seal
Triumph Unit Twins
Up to 1969
aka: E3876

Inlet Manifold Stud
Triumph Unit 350 500
End 1: 5/16 CEI/BSF 26tpi
End 2: 5/16 BSF 22tpi
Overall Length: 1&1/4 inch
aka: E3880

Chain Oiler Tube
Triumph Unit 350 500
aka: E3884

Oil Pump Washer
Dished Shakeproof
aka: E3887

Oilway Plug
aka: E3902

Sludge Trap Tube
aka: E3903

Sludge Trap Plug
Hex Drive
aka: E3905A E3905 68-0184
71-2800 E12800

Crankshaft Flywheel Bolt
aka: E3907

Engine Mount Stud
Triumph Unit 350 500
End 1: 5/16 CEI 26tpi
End 2: 5/16 CEI 26tpi
Overall Length: 3&5/16 inch
aka: E3908

Rotor Spacer
Triumph T20
Tiger Cub
aka: E3913

Case Screw
Diameter ⌀: 1/4 inch
Length UH: 1&3/4 inch
Thread Form: CEI BSF 26tpi
Head Style: Fillister Posidriv
Finish: Plated
aka: E3914

Zenith Carb Manifold
Triumph T20
Tiger Cub
aka: E3954

Carb Manifold Stud
Triumph T20
Tiger Cub
End 1: 1/4 CEI BSF 26tpi
End 2: 1/4 CEI BSF 26tpi
Overall Length: 15/16 inch
aka: E2973

Piston Ring
Compression
0.020 inch oversize
Suit 63.50mm Bore
Triumph T20
Tiger Cub
aka: E3960

Camshaft
Triumph T20S
Tiger Cub
aka: E3962

Valve Spring Cup
Triumph T20
Tiger Cub
aka: E3964

Alternator Rotor Nut
Triumph T20
Tiger Cub
aka: E3971

Lock Washer
Alternator Rotor
aka: E3975

Alternator Rotor Nut
aka: E3977

Mount Plate Bolt
Alternator Stator
aka: E3979

Alternator Stator Stud
Triumph Pre Unit
End 1: 5/16 CEI 26tpi
End 2: 5/16 BSF 22tpi
Overall Length: 1&13/16 inch
aka: E3980

Engine Pushrod
Triumph Unit 350 500
aka: E4008

Patent Plate
Triumph Timing Cover
350 Twin
aka: E4016-350

Cam Follower
Triumph Unit 350 500
aka: E4040

Blanking Plug
Triumph T20
Tiger Cub
aka: E4048

Inlet Manifold Gasket
Triumph T20
Tiger Cub
aka: E4051

Case Screw
Diameter ⌀: 1/4 inch
Length UH: 2&3/16 inch
Thread Form: CEI BSF 26tpi
Head Style: Fillister Posidriv
Finish: Plated

Distributor Clamp Screw
Diameter ⌀: 3/16 inch
Length UH: 2&1/4 inch
Thread Form: 2BA 31.36tpi
Head Style: Fillister Posidriv
Finish: Plated

Crankcase Bolt
Diameter ⌀: 5/16 inch
Length UH: 1&7/8 inch
Thread Form: BSF 22tpi
aka: E4098

Distributor Clamp
aka: E4099 40-0372 40-0324

Oilway Plug
Diameter ⌀: 1/4 inch
Length OA: 1/2 inch
Thread Form: CEI BSF 26tpi
aka: E4104