Application For Ford Pinto Cosworth YB 5.1 For Ford Sierra RS Cosworth Specification TÜV Certification Con Rods Type: Forged 4340 aircraft chrome moly quality steel for racing H-beam Conrods Quantity: 4 Pieces a set Bolts: Including Genuine ARP 2000 bolts Note: Extra cost for upgrading to ARP L19 bolts Bolts Size: 3/8" Tolerance: Balanced to +/- 1 gram in set Piston Bolt Hole: +-4/1000mm Power: 600hp ~ 800PS per set Strength of the fastening (PSI): 220,000/230,000 PSI Torque: 48ft ≈ 65 NM Top acceleration: 9000rpm warranty:2 years warranty for any manufacture defect Dimensions Center to center length: 129.54 mm Big end diameter: 55 mm Small end diameter: 24mm Big end width: 25.8mm Small end width: 25.8mm Feature - Forged SAE 4340 Chrome Moly Steel for the highest strength and durability, dedicated for Racing - Designed and processed by CNC machine. - All big and small ends are finished with SUNNEN honing machine - Precision alignment sleeves positively locate the rod cap, maintaining