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250cc x 1cc Pro Head CC Kit; Complete with a precision glass buret, stand and clamp assembly and a plexiglass plate, our pro head cc kit can handle up to 250cc.. Perfect for precision measurement of combusion chambers, intake and exhaust runners or intake manifolds.

The camshaft lobe center marking tool set is designed to ensure that your lifters are riding in the middle of the camshaft lobe. This set comes with .842", .875" and .904" diameter tools for use in a variety of engines.

Lifter Bore Grooving Tool for .875" Lifter Bores; The COMP lifter bore grooving tool cuts a groove into the lifter bore which ensures pressurized oil is fed between the lifter and camshaft. Developed by NASCAR engine builders, this tool reduces camshaft and lifter wear. For .875" bores.

Lifter Bore Grooving Tool for .904" Lifter Bores; The COMP lifter bore grooving tool cuts a groove into the lifter bore which ensures pressurized oil is fed between the lifter and camshaft. Developed by NASCAR engine builders, this tool reduces camshaft and lifter wear. For .904" bores.

Lifter Bore Grooving Kit w/ .842", .875" and .904" Tools; The COMP lifter bore grooving tool cuts a groove into the lifter bore which ensures pressurized oil is fed between the lifter and camshaft. Developed by NASCAR engine builders, this tool reduces camshaft and lifter wear.

Shaft Mount Valve Spring Compressor for Chevy Big Block w/ Dart Big Chief Shaft; Remove the valve springs in your shaft-mount rocker cylinder head with this tool. Perfect for heads-on applications, this tool slides onto the shaft and accommodates high pressure springs on Chevy Big Blocks w/ Dart Big Chief Pivot Shaft.

Lifter Bore Grooving Kit w/ .842" and .875" Tools; The COMP lifter bore grooving tool cuts a groove into the lifter bore which ensures pressurized oil is fed between the lifter and camshaft. Developed by NASCAR engine builders, this tool reduces camshaft and lifter wear.

Pushrod Seat Removal Tool; Lifter Pushrod Seat Insert Removal Tool

Spring Seat Cutter - 1.680" Spring Seat O.D. .560" Guide O.D.; This valve seat cutter allows you to enlarge the cylinder head spring pocket to 1.680" outer diameter while reducing the outer diameter of the valve guide to .560".

Cam Phaser Limiter Tool for '07-'08 GM GEN IV LS and '14+ GM GEN V LT1; Before installing our 5455 spring limiter tool, it is necessary to compress the variable valve timing spring. This 5454 tool compresses the spring, so that you can install the 5455 limiter tool then the 5457 or 5459 phaser limiter plug.

Cam Phaser Limiter Spring Lock Tool for '07+ GM GEN IV LS / '14+ GM GEN V LT1; After compressing the VVT spring, this 5455 VVT spring limiter tool is used to hold the variable valve timing spring in place while installing our 5457 phaser limiter plug.

GM LS Valve Spring Compressor; This innovative yet simple tool makes removing valve springs on LS engines easy. Complete with high quality hardware, this tool is able to remove two springs at once.