O.S. Engines

Piston Ring: GT15HZ

Pushrod: FT-160

Rocker Arm Assembly: FS-70 Ultimate

Rocker Arm Assembly: 120 300

Rocker Arm: FS-40-48S

Standoff 5x12.7mm 1/2" (4): GT55

Complete Carburetor Assembly: (61T2) O.S. FS-64V

Valve Intake: FS-91 Surpass

Valve Spring: 56 FS

Bearing L-1050ZZ

80 Degree Exhaust Header: 155FS-a

Air Bleed Screw: #10G

Carburetor Rotor: 37SZ-H

102 Super Air Cleaner

Carburetor Body: 21J2(B), 21XZ-B Speed

Crankcase: Speed R2101

O.S. Cylinder and Piston Assy Speed B2103 Type R

Drive Washer: 12CV

Head Gasket Set: 12TZ Spec II

O.S. Metering Needle (21M) R21GT

O-Ring Metal Valve: 120Surpass

202 Elements (4)

Carburetor 12F2-B: 12XZ Speed Spec 3

7.0mm Carb Reducer (Red): AL2 O.S.SPEED R21GT2