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At Callies our Spintron machine is used to dynamically evaluate the complete valvetrain system under controlled operating conditions. The testing shown is on a LS3 hydraulic roller using stock and entry level components. #calliesperformance #Spintron #performance

Big Block Chevy crankshafts are making their way through the shop. Right now they’re in the shakers, where the rocks deburr the crankshafts and help with stress relief before the next manufacturing operation. #calliesperformance #madeintheusa #bigblockchevy

Who needs Uncle Jesse when you have the best crew in the industry? We’re celebrating the National Day of Joy by embracing our inner sitcom family. #calliesperformance #madeintheusa #greatemployees #fullhouse #sitcom

When the heat treat is fire, but the photo bomb is legendary. #RB30 #Calliesperformance #heattreatment #racing #photobomb

Callies’ Compstar line of products is designed to meet and exceed the requirements of today’s racers at a sensible price point. To ensure Callies customers receive the very best, Compstar crankshafts are forged using dies owned exclusively by Callies. In 2012, we added the “Triangle” imprint to all of our forging dies to protect this investment. These are not generic dies and should not be used by other manufacturers. This “Triangle” is part of the Callies forging die and is stamped or forged in

For years, you’ve trusted Callies to deliver industry leading performance crankshafts and connecting rods. What many people don’t realize is that Callies also manufactures finish ground camshafts. Every camshaft is proudly made in our Fostoria, Ohio, USA facility with the same commitment to precision, quality, and performance you’ve come to expect. From cranks to cams, Callies is built to perform. #calliesperformance #madeintheusa #camshaft #racing

From start to finish our craftsmen do the work! #calliesperformance #camshafts #madeintheusa #racing

Callies Ultra Connecting Rods: Manufactured with American hands for engines that refuse to be quiet. #calliesperformance #madeintheusa #dragracing #sprintcarracing #formuladrift

What builds do you have planned for 2026? We’re in full swing on the shop floor, and ready for a great year. #calliesperformance #madeintheusa #performance #racing

It’s been a long week here at the 2025 @Performance Racing Industry Show in Indianapolis. But as always, we’ve had a great time. 🏁 Nothing beats seeing our customers in person, talking about racing, and being surrounded by the best in the industry. #calliesperformance #prishow #horsepower #performance