Speed Pro Speed Pro Piston Rings 4.280" Bore File Fit 5/64 x 5/64 x 3/16" Thick - Standard Tension BM-2.0 They also fit a factory-equipped

They also fit a factory-equipped 351W 1969-73 Mustang (must be factory-equipped

set screws and installation hardware

With precise resolution and ultra smooth needle movement

Bearing Packer

Speed Pro Speed Pro Piston Rings 4.280" Bore File Fit 5/64 x 5/64 x 3/16" Thick - Standard Tension BM-2.0 They also fit a factory-equippedFace 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