Part # 2M139S030

Rings For ONE PISTON ONLY

Bore Size:  4.000" +.030" (4.030)

 

Ring Grove Size: 5/64" / 5/64" / 3/16"

Fits 4.00" Bore engines Such As

327 350 Chevrolet Small Block

360 Dodge

289 302 351 Ford

Plus MANY MANY MORE

Check Your Piston Ring Groove Configuration To Verify