Home > Airhead > Custom > Siebenrock > Siebenrock Engine >

Power Kit Extra upgrade to 860cc - BMW R45 post 1980, R65 Post 1985, R65GS / Siebenrock
1100860,R45 860cc power kit , R65 Monolever 860cc power kit ,R65GS 860cc power kit
 
Part #: PistonKit0860

The 860cc conversion kit for BMW R45 and R65 models, including all Head Gaskets and Installation Instructions.

The kit contains Nikasil coated cylinders with lighter (150g), spontaneous quiet running pistons. The kit also contains new piston rings, piston pins and stainless steel push rod tubes already installed in the cylinders. The piston shape is specially designed to require no further modifications to the head. All gaskets are included for installation!

The conversion increases horsepower by 20% and a maximum torque of 75Nm at 4200rpm.

NOTE: The compression pressure will be over 10Bar - similar to the stock compression pressure.

See preview of Siebenrock
Expert Opinion on Modification and Installation Instructions here.

Vehicle Manufacturer: BMW
Application: BMW Airhead Models
Make/Model: BMW R45, R65
Model Years: BMW R45 from 08/1980-1984, R65 Monolever (27HP/ 20kW) from 1985 and R65GS (27HP/ 20kW) 1987-1992
Manufacturer #: 1100860 Siebenrock

Brand :
USD Price $1,399.99
BUY NOW $1,275.00

Quantity in Stock:2

Part #: PISTONKIT0860
Quantity:

Description
 
See Related Products Below:

Related Products
Oil Cooler Upgrade Kit - BMW Airhead  / Siebenrock Oil Pan Extension - BMW Airhead; 11 13 1 338 427  / Siebenrock Push Rod Seal 14mm ID - BMW Airheads to 08/1975 ; 11 32 1 250 267 / EnDuraLast
USD Price $655.00

Add
USD Price $173.50

Add
USD Price $3.99

Add
R65GS oil cooler,R80GS oil cooler,R80G/S oil cooler,R80GS PD oil cooler,R80ST oil cooler,R100GS oil cooler,R100GS PD oil cooler,R100R oil cooler 11 13 1 338 427,11131338427,11 13 1 337 330,11131337330,R45 oil pan spacer,R60 oil pan spacer,R65 oil pan spacer,R75 oil pan spacer,R80 oil pan spacer,R90 oil pan spacer,R100 oil pan spacer,R45 oil pan extender,R60 oil pan extender,R65 oil pan extender,R7 11267,11 32 1 250 267,11321250267,R50 cylinder push rod seal,R60 cylinder push rod seal,R75 cylinder push rod seal,R90 cylinder push rod seal,R50 push rod seal,R60 push rod seal,R75 push rod seal,R90 push rod seal