General description 4x Connecting Rods designed for various Toyota models including the Celica, Corolla, and MR2, specifically for the 4AG and 4AGE engines. These rods are engineered to support high performance, with a capability of handling up to 600HP. Technical specifications Quantity: 4 pieces per set Material: Forged 4340 aircraft chrome moly quality steel Weight Tolerance: Balanced to +/- 1 gram in set Center to center length: 122 mm Big end diameter: 45 mm Small end diameter: 20 mm Big end width: 21.8 mm Small end width: 21.8 mm Bolts: Includes genuine 3/8" ARP 2000 bolts (extra cost for upgrading to ARP L19 bolts) Compatibility and accessories Compatible with Toyota 4AG, 4AGE, AE86, Celica, Corolla, MR2 GTS 1.6L Models include: AA63 Carina (1983.06–1985), AT160 Carina (1985–1988), AT171 Carina (1988–1992), AA63 Celica (1983–1985), AT160 Celica (1985–1989), AE82 Corolla saloon, FX (1984.10–1987), AE86 Corolla Levin (1983.05–1987), AE92 Corolla (1987–1993), AT141 Corona