Hastings 4.000" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Iron - 8 Cylinder 24-CHL-N-115 Will not affect the factory

Will not affect the factory warranty

Mild rough idle

while running too lean (very high air/fuel ratio

bonded to the textile inner braid embedded in the synthetic rubber liner

350" Spring Seat Cutter for installing single springs on GM Vortec Heads without hardened spring seats will allow the engine builder to machine the cylinder head to the proper size for your spring

Hastings 4.000" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Iron - 8 Cylinder 24-CHL-N-115 Will not affect the factoryProduct Description: Piston Rings 4. 000 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Iron Phosphate 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.