Manley Pro Series connecting rods are forged from aircraft quality 4340 vacuum degassed material. Each rod is fully machined in the Manley Lakewood, NJ factory to the highest standards. Our signature “Turbo Tuff” design combines the appropriate weight and rugged strength for ultimate horsepower applications. Each rod is shot peened after machining and magnafluxed. Bores are round and without taper. Bend and twist is tightly controlled. Like our “Turbo Tuff” series, our 300M rods utilize all of the same machining processes and our held to the same high standards but are made from 300M alloy. Cap fasteners are 7/16″ APR 2000 cap screws. Horsepower range for the 4340 rods is 1,250+ and 1,400+ for the 300M.

These rods are available on our website at the link below.
Manley GTR VR38DETT Turbo Tuff I Beam Steel Connecting Rod Set

Check out Manley’s Platinum Series Pistons. Manley’s Pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique “one fixturing” manufacturing method that assures maximum horsepower. All pistons come with moly coated skirts. Round wire locks, premium chrome moly wrist pins, and premium steel top ring sets from Total Seal are included with every kit at no additional charge. 9310 alloy upgraded wrist pins are available.