Chevrolet GM LS Engines Timing Damper Bracket MELLING Part Number BD417-BRKT This Adapter Bracket Is Designed To Allow The Use Of The LS2 Timing Chain Damper On Early GM LS Bolts To Your Cam Retaining Plate To Provide A Place To Bolt A Guide To Engines Where The Cylinder Block Is Not Drilled To Use A Timing Chain Damper This Is The Bracket Kit ONLY KIT CONTAINS Adapter Bracket Aluminum Spacers (2 Pieces) M8 x 1.25 x 10mm Flanged Button Head Bolts (2 Pieces) M8 x 1.25 x 20mm Button Head Bolts (3 Pieces) Instructions Use With MELLING Damper part Number BD417 Or GM 12588670 ONLY !! ( other brands will not work ) The Bushings MUST Be Removable From The Damper !!! Also Available With Damper (part Number BD417-DBRKT) See Our EBAY STORE For Your LS And Other ENGINE And PERFORMANCE Needs