Total Seal Classic Race Piston Rings 4.375" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension 1425021 featuring a unique sensor engineered

featuring a unique sensor engineered to be mounted near the crank pulley which creates a signal from 4 machined grooves or 4 raised bolt heads to precisely monitor engine speed

An adjustable mechanical advance mechanism is mounted on top of the shaft

All springs are imprinted with the part number

1964-1964 Pontiac GTO

Total Seal Classic Race Piston Rings 4.375" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension 1425021 featuring a unique sensor engineeredProduct Description: Piston Rings Classic Race 4. 375 in Bore File Fit 1 16 x 1 16 x 3 16 in Thick Standard Tension Ductile Iron Plasma Moly 8 Cylinder Total Seal is known for their piston ring sets. They offer a wide selection of off the shelf options and also offer and the ability to custom order ring sets to meet your specifications. Total Seal also has a full line of tools, testers, and lubricants to aid in piston ring installation. Total Seal's