Speed Pro Speed Pro Piston Rings 4.530" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Fuel Cell/Tank Fasteners 1966-1966 GMC 2500

1966-1966 GMC 2500

when installed with Hooker 12643HKR engine mounts

and featuring -6AN male fittings

ARP Ultra-Torque Assembly lube included for consistent bolt preload during

654" long pushrod set works perfectly with High Energy or Magnum rockers

Speed Pro Speed Pro Piston Rings 4.530" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Fuel Cell/Tank Fasteners 1966-1966 GMC 2500Face of top rings are coated with the latest generation Plasma Moly Plasma Moly ring face decreases friction and is highly resistant to scuffing Ensures dependable performance and superior service life Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trustFrom pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry