For Springs 3/4" to 1 1/16". Heavy-duty frame and screw for rigidity. Two jaw sizes. For Briggs and Stratton, Clinton, Harley-Davidson, etc.

OTC 4572 Large Valve Spring Compressor - Designed to compress valve springs on overhead valve engines. Includes two valve spring adapters, which fit valve spring retainers up to 1" (25 mm) and 1-3/16" (30 mm).

OTC 4573 Universal Overhead Valve Spring Compressor - Permits removal and installation of valve springs with out removing the cylinder head on many cars and light trucks. Durable steel construction. Spring loaded offset jaws easily grip and compress valve springs.

OTC 4842 Heavy Duty Valve Spring Compressor - Used to compress valve springs for removal or installation. The heavy duty C-frame has a 9" opening and a 5" throat. Kit includes 16mm, 19mm, 23mm, 25mm, and 30mm valve spring retainer adapters.

6684 OTC Valve Spring Compressor - Designed to compress valve springs on a Ford 3V 4.6L & 5.4L.

OTC 7928 Ford Valve Spring Compressor Tool - Compresses valve springs for quicker, easier camshaft, valve seal, valve spring, or retainer service—because you don’t have to remove the head from the engine first! It’s an OEM approved tool that you use with a 3/8" ratchet or breaker bar.