Manley Performance manufactures the finest steel connecting rods in the industry. The Pro Series "I" Beam is forged from 4340 aircraft quality vacuum degassed material. Manley utilizes their proven Lightweight yet rugged design and add 7/16" ARP 2000 cap screws. All rods are properly shot peened after machining and 100% magnafluxed.
Manley Pro Series connecting rods are used by the very best engine builders in and outside of the United States in some of the fastest, high horsepower, heart stopping engines being produced.
On all Manley connecting rods, sets are weight matched to ± 1.5 grams, big and small end bores are final honed to a tolerance of ± .0002", critical bend and twist attributes are held to a minimum, and exacting attention is paid to every detail by our final inspection department; thus rendering a finished product that is second to none.
Lightweight Rods are perfect for road racing, street boosted, and naturally aspirated engines.
Standard Weight Rods feature heavier beam designs for big boost, high rpm, and racing applications.
300M rods are the ultimate in material strength for very serious extreme horsepower builds.
Part Number |
Length |
Big End Bore |
Big End Width |
Pin End Width |
Pin Bore |
Gram Weight |
15318-8 |
5.933" |
2.239" |
.940" |
.940" |
.8671" |
TBA |