Hastings 4.320" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Moly - 8 Cylinder R01J003 Reflect-A-Cool can be trimmed to

Reflect-A-Cool can be trimmed to fit just about any shape

One-Touch Peak Recall

25 x 5 in Top Diameter

Available in open or four hole versions for 4150 and 4500 series Holley and Holley style carburetors in 1/2"

Check out all our products from Five Star Race Car Bodies including Roofs

Hastings 4.320" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Moly - 8 Cylinder R01J003 Reflect-A-Cool can be trimmed toProduct Description: Piston Rings 4. 320 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Plasma Moly 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.