Bielles for BMW S14 2.3L 2.5L E30 M3 Connecting Rods Con Rod ARP Boulons TUV

Specification TüV Certification Con Rods Quantity: 4 Pieces a set Bolts: Including Genuine 3/8" ARP 2000 bolts (Note: Extra cost for upgrading to ARP L19 bolts) Material: Forged 4340 aircraft chrome moly quality steel for racing Weight Tolerance: Balanced to +/- 1 gram in set Application Per BMW S14 E30 M3 per BMW M3 S14 B23 / S14 B25 2.3L 2.5L Dimensions Center to center length: 144mm Big end diameter: 52mm Small end diameter: 22mm Big end width: 23.9mm Small end width: 23.9mm Advantage: Brand New 100% tested and balanced TUV Certificate 10 years warranty Multiple heat treatments With bronze rings for floating pistons 100% verified by X-rays, ultrasonic waves and Magnaflux Designed and manufactured using state-of-the-art CNC machines. All big and small connecting rods are made by SUNNEN honing machine. Shot-blasted for long life and operation, even in stressful situations Precise alignment of the pilot hole for the connecting rod to avoid displacement NOTE: Upgrading to ARP L19