Hastings CAST Piston Rings Set for Chevy SBC 327/350/383 +.030" over
This Hastings CAST piston rings set is designed for Chevy Small Block (SBC) engines including 327, 350, and 383 applications, with a +.030" oversize fitment. It is listed as new and suited for rebuild or refresh work where correct ring sizing is required. Check the listing for details on exact ring dimensions and compatibility with your specific piston and bore setup. Free shipping is included, making it a convenient option for your eBay Motors purchase. Verify your engine specs before ordering to ensure proper fit.
| Location | Nashville US |
| Shipping | Free shipping (check listing for details) |
| Seller |
chupacabramotor
99.3% positive · 4725 feedback
|
| Listing | FixedPrice · Active |
| Start time | 2025-09-02T19:58:42.000Z |
| Items Included | Rings for 8 pistons, Piston Rings |
| Manufacturer Part Number | 139.030 |
| Piston Diameter | 4.030 |
| Vintage Part | No |
| California Prop 65 Warning | This product contains chemicals known to the state of California to cause cancer and reproductive harm. |
| Brand | Hastings Mfg Co |
| Type | Piston Ring Set |
| Interchange Part Number | E251K30 13930 50564CP30 |
| Cylinder Bore Diameter | 4.030 |
| Country/Region of Manufacture | United States |
| Item Weight | 1 lb |
| Performance Part | No |
Set of 4.030 bore
size Hastings Cast Rings for Small Block Chevy & Ford as well as other 4.030 diameter bore applications with 5/64 5/64 & 3/16 rings lands. For blocks bored +.030 over
size or 4.030 Bore diameter!If you need a different over size, we have these same rings in other sizes. Please message us the
size needed to verify availability before ordering.
