4x H-Beam connecting rods for BMW E30 M3 S14 Engines.
2.3-2.5L
C/C 144mm, B/E 52mm, S/E 22mm
All PPM 4340 con rods feature:
Vacuum de-gassed nickel chrome alloy steel (double-air-re melt)
CNC machined
Heat-treated to Rockwell C38-45
Fully shot peened
Balanced end to end
Supplied with aluminum-bronze wrist pin bushings and ARP 2000 bolts (rated to 220,000psi tensile strength!)
Low sulphur content (less than 0.025%) for fewer inclusions
Known as AS1444-1996-4340 comparable to 4340 AISI/SAE
Rods weigh 590g.
Rods are good for 1000++HP and 9000RPM.
