K1 Technologies BMW Internal Engine Parts for BMW Z Series E85/6 (2003-2008)

Upgrade your BMW M52/S52/M54 internals with K1 Technologies Racing H Beam Connecting Rods for increased strength and reliability, especially when building an engine with forced induction. 

This listing is for 6 connecting rods in total.

Features:

• Billet 4340 Steel H-Beam Design
• Designed by in-house engineering team for high-stress racing applications
• All rods are finished in the USA and held to very tight tolerances. Bores finished to +/- .0001" and weight to +/- 1 gram per end.
• Shot peened for improved fatigue life
• Premium bronze wrist pin bushings
• High Quality ARP 2000 Fasteners included
• Billet 4340 Steel H-Beam Design
• Designed by in-house engineering team for high-stress racing applications
• All rods are finished in the USA and held to very tight tolerances. Bores finished to +/- .0001" and weight to +/- 1 gram per end.

Specifications:

• Length - 135.0mm 
• Housing Bore - 48.009
• Pin Diameter - 22mm
• BE Width - 21.89
• PE Width - 21.89
• Bolt Size - 3/8"
• Bolt P/N - BT61501-2
• Gram Weight - 489

For use with the following BMW engines:
M52B28 / S52B32/ M54B30 / S52B30