General specifications for the 1968 400 430 and 1970 buick 455 cubic inch engines.
Buick 455 connecting rod length.
All regular production pontiac v 8s from the 326 to 455 used a connecting rod that measures 6 625 inches from the center of the wristpin bore small end to the center of the crankshaft bore big.
Stock length and stroker rods.
Buick 400 430 455 engine specifications and blueprinting.
Aluminum rods offer cushioning that is important for the stock buick block as well as the bearings.
Stroke notes pin main min rod bob part and price.
The following information has been directly complied from original buick service manuals for the respective year of vehicle manufacture.
Buick 400 430 and 455 rods on sale.
Premium quality 4340 steel billet h beam buick big block connecting rods.
That puts the rod length at 7 2 i recommend going with aluminum.