Privately owned and operated since 1992, Advanced Sleeve is an Ashtabula, Ohio manufacturer whose racing heritage shapes its work with engine builders. The company produces American-made cylinder sleeves for restoration, repair and competition applications, offering both stocked replacements and custom-built solutions.
PowerSeal USASince 2004, PowerSeal USA has rebuilt and replated performance-engine cylinders for the powersports industry from its Phoenixville facility. Its proprietary NikaSeal nickel-silicon-carbide process is handled entirely in-house, from welding and machining damaged bores to final honing and inspection, including repairs to vintage steel and cast-iron cylinders. The owners bring more than 50 years of experience tuning, maintaining, and competing in motorsports, and back the work with a 100% satisfaction guarantee.PHOENIXVILLE, PA
Cylinders & Valves, IncSince 1958, Gardner-family-owned Cylinders & Valves, Inc. has manufactured small-bore hydraulic cylinders and hydraulic valves from its Strongsville, Ohio, operation. The small Midwest manufacturer stands out for making its products fully serviceable and repairable, while also adapting standard cylinders to customer specifications. It supports that long-running product line with repair services and replacement parts for keeping worn equipment in service.STRONGSVILLE, OH
AD Piston Ring, LLCSince 1921, Cleveland-based AD Piston Ring, LLC has made custom piston rings and seals for industrial equipment, including hydraulic and pneumatic systems. Founded in New Haven and relocated to Cleveland in 1925, the company now builds cast iron rings up to 30 inches alongside bronze and stainless steel designs, with U.S. manufacturing and rush service available for urgent orders. Its Shurseal joint configuration, developed in-house for bidirectional sealing with minimal leakage, is a particular signature.CLEVELAND, OH
Callies Performance ProductsFounded in 1989 by Richard W. Norton Jr., Callies Performance Products manufactures high-performance crankshafts, connecting rods and camshafts at its Fostoria, Ohio facility. The independently owned American manufacturer combines U.S. engineering with in-house finishing and quality control, including 100% inspection of its crankshafts. Through sister company Energy Manufacturing, Callies also supplies engine blocks for complete performance-engine builds.FOSTORIA, OH