Cylinder Head Accessories

Radiac PCD Insert for Aluminum 1/2" Dia. x 3/16" Thick 2379265 A must for shops committed to meeting today's strict surface finish requirements! Fits all machines with 3/8" and 1/2" type CBN bit holders 1/2" Diameter x 1/8" thick with single cutting...

Radiac PCD Insert for Aluminum 1/2" Dia. x 1/8" Thick 2379264 A must for shops committed to meeting today's strict surface finish requirements! Fits all machines with 3/8" and 1/2" type CBN bit holders 1/2" Diameter x 1/8" thick with single cutting...

Goodson PCD Insert for Aluminum 1/2" Dia. x 3/16" Thick PCDS-500 A must for shops committed to meeting today's strict surface finish requirements! Fits all machines with 3/8" and 1/2" type CBN bit holders. Always cut using the dull finished...

Goodson Carbide Shim for PCD/CBN 1/16" Thick CBN-500SHIM A 1/16" thick carbide shim must be used with CBN-500D and DRD-500 on DCM machines.

Cometic Gen V LT 6-Bolt 4.150 Bore MLx Head Gasket C15704-052, Left Side Gen V LT 6-Bolt 4.150" Bore. 0.052" Compressed Thickness. Works with 1/2" Studs. MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved...

Cometic Gen V LT 6-Bolt 4.150 Bore MLx Head Gasket C15703-052, Right Side Gen V LT 6-Bolt 4.150" Bore. 0.052" Compressed Thickness, Works with 1/2" Studs MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved...

ARP 2000 Pro Series GM LS Thread Repair Head Stud Kit 234-4348 - 2004-Up  ARP has released an LS stud that’s 1/2" in the block and 7/16" above for helping save the blocks with damaged threads. These are made from 2000 series material and call...

LSXceleration Inconel 8mm x 1.600 LS Exhaust Valves 15-31570-8 Inconel LS Valve 1.570" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully Machined...

LSXceleration Inconel 8mm x 1.550 LS Exhaust Valves 15-31550-8 Inconel LS Valve 1.550" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully Machined...

LSXceleration Inconel 8mm x 1.570 LS Exhaust Valve 15-31570-1 Inconel LS Valve 1.570" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully Machined...

LSXceleration Inconel 8mm x 1.550 LS Exhaust Valve 15-31550-1 Inconel LS Valve 1.550" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully Machined...

Manley Extreme Duty 8mm x 1.560 L83 5.3L Exhaust Valves Stainless 12363-8 EXTREME DUTY SERIES Top Fuel, Funny Car and Marine Engine Exhaust Valves More Hot Hardness and High Temperature Strength than any competitive offerings Chrome Stems and Hard...