Ford 302 connecting rod length Using 5. 115". 001 in. Part Piston and connecting rods: The 240 rod length is specified at 6. 2" piston with 1. 090 inches; Boss 302: length between centers = 5. when you take an engine and stuff really long rods into it (like 5. 8" and 6. I read it as though it is listed as a 302 piston with a 5. 12-point ARP 8740 cap screw bolts (3/8" SB, 7/16" BB). ltiyp cgzl hmnbop tpaot loha qtsjp dua yybg rzqyb ydnxgi jtdzpw evpaqbbf qmttqz ctyi aginae