Speed Pro Speed Pro Piston Rings 4.375" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension R010015YXL Pro Series cylinder head bolts

Pro Series cylinder head bolts are cold-forged to ensure molecular integrity

the Soft Touch circuitry kicks in and drops the spark to certain cylinders

4 Toggles / 1 Ignition / 1 Momentary Toggle

When building a new car or just doing weekly maintenance the right size and thickness Washers always come in handy

Speed Pro Speed Pro Piston Rings 4.375" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension R010015YXL Pro Series cylinder head boltsFace 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