The VintCo KR2036 connecting rod kit is a newly manufactured replacement assembly for 1974-75 Bultaco 350cc and 360cc dirt bikes, including specified Alpina, Sherpa T, Astro, Fronetra and Pursang models, with a nominal 20 x 56 mm crank pin. It is intended for crankshaft rebuilds without replacing the complete crankshaft and is manufactured from heavy-duty forged steel using modern production methods for fitment and performance comparable to OEM. The kit includes one connecting rod, one solid crank pin, one big end bearing, one wrist pin bearing and two thrust washers. Dimensional reference information is available from the manufacturer with images.

Features

• Replacement connecting rod kit for vintage Bultaco 350cc and 360cc 1974-75 dirt bikes
• Suitable for crankshaft rebuilds without replacing the full crankshaft
• Fits specified Alpina, Sherpa T, Astro, Fronetra and Pursang models
• Manufactured using modern materials and manufacturing techniques
• Includes connecting rod, crank pin, big end bearing, wrist pin bearing and thrust washers

Specifications

• VintCo Part Number: KR2036
• Product Type: Connecting rod kit
• Connecting Rod Material: Heavy-duty forged steel
• Connecting Rod Centre-to-Centre Length: 116 mm
• Crank Pin Type: Solid
• Crank Pin Dimensions: 20 x 56.1 mm
• Big End Bearing Dimensions: 20 x 26 x 16.8 mm
• Wrist Pin Bearing Dimensions: 20 x 24 x 18.8 mm
• Thrust Washer Dimensions: 20.2 x 34.7 x 1.5 mm
• Quantity Included: 1 connecting rod
• Quantity Included: 1 crank pin
• Quantity Included: 1 big end bearing
• Quantity Included: 1 wrist pin bearing
• Quantity Included: 2 thrust washers

Vehicle Fitments

• 1974 Bultaco 350
• 1975 Bultaco 350
• 1974 Bultaco 360
• 1975 Bultaco 360
• 1974 Bultaco 350 Alpina, model 116
• 1975 Bultaco 350 Alpina, model 138
• 1974 Bultaco 350 Sherpa T, model 125
• 1975 Bultaco 350 Sherpa T, model 151
• 1974 Bultaco 360 Astro, model 123
• 1975 Bultaco 360 Fronetra, model 143, with 20 mm crank pin
• 1974 Bultaco 360 Pursang, model 121
• 1975 Bultaco 360 Pursang, model 136, with 20 mm crank pin