R&R Pro Billet Porsche 964 I-Beam Connecting Rods with ARP 2000 Rod Bolts. Also fits RSR, 3.2, and 3.3 engines with 23mm wrist pins. Custom Age 625 Bolt upgrade available. All R&R Pro rods are in-stock for immediate delivery! Price subject to change - does not include current steel surcharge of approximately $20 per rod.