- Home »
- Catalog »
- Engine Components- Internal »
- Rings »
- 421 Block
Butler Performance Inc. - 421 Block
421 CU. IN.
4.00 Stroke
3.25 Main Journal
Stock Bore 4.093
30 over 4.123
60 over 4.153
Factory Ring Thickness 5/64 5/64 3/16
Aftermarket Ring Thickness 1/16 1/16 3/16
Browse 421 Block Products
Items 1-4 of 4
Description: 4.160 1/16 1/16 3/16 TS Classic Race Rings- File Fit (Set)
Item #: TSR-CR0690-35
Condition:
New
Price: $99.95
Description: 4.120 +5 1/16 1/16 3/16 TS Classic Race Rings- File Fit (Set)
Item #: TSR-CR1008-5
Condition:
New
Price: $109.95
Description: 4.160 1/16 1/16 3/16 TS Top Gapless Rings- File Fit (Set)
Item #: TSR-M0690-35
Condition:
New
Price: $279.95
Description: 4.155 (4.160" Ring) 1/16 1/16 3/16 TS w/AP Stainless Top (C-33 chrome nitride(CrN) coated)- File Fit (Set)
Item #: TSR-CS0690-35
Condition:
New
Price: $249.95
Items 1-4 of 4