Oil Rings       Base Prices For Rectangular Cross Section: Adders For Extra Features: (USD)   Ring OD Std. Ring Cat. No. List Price (USD) Split Ring Cat. No. List Price (USD) Taper Cross Section Crown On ID T-type Cross Section 1 6" OR-06 150 SOR-06 400 50 50 250 2 9" OR-09 180 SOR-09 550 50 50 250 3 12" OR-12 275 SOR-12 700 100 100 350 4 15" OR-15 450 SOR-15 850 100 100 350 5 20" OR-20 700 SOR-20 1,500 150 150 500 6 24" OR-24 900 SOR-24 2,000 150 150 500