Piston Ring Set for BMW R4, R11, R12, R71 Motorcycles (78mm)

This listing is about a brand new after-market Piston Ring SetTips for safely installing piston rings for the following BMW Motorcycles, that fits one (1) piston with diameter 78mm (STD):

• R4, 400cc, 14 PS (1932-1936)
• R11, 745cc, 18-20 PS (1929-1941)
• R12, 745cc, 18-20 PS (1929-1941)
• R71, 750cc, 22 PS (1938-1942)

When comparing this high-performance Piston Ring Set with similar items offered by other sellers, please note:

• The Compression Ring of the 1st groove.
• The Compression Ring of the 2nd groove is Taper faced.
• The Oil Rings (3rd-4th grooves).

Our Piston Rings are branded and come directly from the top-quality and
worldwide-known OEM Manufacturer CABER.

Our Piston Rings are made from I-Cast Iron with high bending strength according to
ISO STD 6621-3:1990 and DIN 70909.

Protect your valuable machine. Use only Branded & High-Quality Parts.
Enjoy thousands hours of safe and trouble-free operation!