Connecting Rods

Bill Miller Engineering (BME) makes forged aluminum connecting rods, forged racing pistons, VascoMax wrist pins and supercharger rotors for drag racing engines, including Top Fuel.

Made in: Carson City, NV (rods, pistons, wrist pins and supercharger rotors). The company says these are made entirely in the USA from American-sourced raw materials.

Source: BME home page, checked 10/2026

Callies makes connecting rods for racing and high-performance engines: Ultra Enforcer I-beam rods built for turbocharged and supercharged small- and big-block Chevy, LS, Ford Modular/Coyote and EcoBoost, Mopar, Viper V-10, Toyota 2JZ, Nissan GT-R, Honda, Subaru and Mitsubishi engines, plus Ultra Assassin, Ultra H-Beam, Ultra XD and Ultra Dirt H-Beam rods, and the lower-cost Compstar and Sport Series lines.

Made in: Fostoria, OH (Callies-brand Ultra rods; the Ultra Enforcer's TimkenSteel is forged in Trenton, MI). Compstar parts are forged and partly machined overseas, then finished and inspected in Fostoria.

Source: Callies Ultra Enforcer and Engine Builder, checked 10/2026

CP-Carrillo makes Carrillo connecting rods in steel (standard, reverse-entry and one-piece designs) and aluminum, plus Bullet Series rods, custom rods built to order and rod bolts, for engines from Top Fuel dragsters and Pro Stock to UTV and motorcycle racing.

Made in: Irvine, CA (connecting rods, at its headquarters and manufacturing plant).

Source: CP-Carrillo About Us, checked 10/2026

Crower makes connecting rods for racing and performance engines, including its Maxi-Light steel billet rods for domestic, sportsman, sport-compact and motorcycle engines, plus rod bolts and nuts.

Made in: San Diego, CA (rods machined in-house on CNC equipment). The company says it uses US-milled steel and keeps its production in the USA.

Source: Crower history and PRI, Dec 2025, checked 10/2026

Oliver Racing Parts makes billet steel connecting rods for racing and high-performance engines, including Ford Windsor and modular, Chevrolet LS and big-block, and import applications such as Mitsubishi Evo.

Made in: Charlevoix, MI (connecting rods). The company says all its rods are made in the U.S. from American aircraft-quality steel.

Source: Import Car, checked 10/2026

Pauter makes connecting rods in 4340 chrome-moly steel, aluminum and titanium for import, domestic and vintage engines, many built to order, plus crankshafts, rocker arms and timing gears for air-cooled Porsche engines.

Made in: Chula Vista, CA (connecting rods and other engine parts). The company says it has been part of the made-in-USA performance aftermarket since the late 1980s.

Source: Pauter connecting rods, checked 10/2026

Trenton Forging makes custom impression-die steel forgings from 0.01 to 20 pounds for the automotive, truck, farm, construction and other industries, including connecting rod forgings for performance rod makers. It is a family-owned company founded in 1967 and sells to manufacturers, not the public.

Made in: Trenton, MI (carbon, alloy, stainless and microalloy steel forgings, with die making and machining in-house).

Source: Trenton Forging, checked 10/2026

Wagler Competition Products makes connecting rods for Duramax, Cummins and Power Stroke diesel engines in as-forged and billet versions, plus billet Duramax engine blocks, cylinder heads and rocker assemblies.

Made in: Odon, IN (design, machining, assembly and inspection done in-house). Its rod forgings come from Trenton Forging in Trenton, MI, and the rods are described as 100% US-made.

Source: Diesel Army on Wagler rods, checked 10/2026