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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 1-7 of 7
Description: Piston Rings, Performance Series, 4.155 in Bore, File Fit, 1.0 x 1.0 x 2.0 mm Thick, Standard Tension, Steel, HV385 Thermal, 8-Cylinder, Kit
Item #: MAH-4160MS-112
Condition:
New
Price: $189.95
Description: 4.160 1/16 1/16 3/16 TS Classic Race Rings- File Fit (Set)
Item #: TSR-CR0690-35
Condition:
New
Price: $162.57
Description: 4.120 +5 1/16 1/16 3/16 TS Classic Race Rings- File Fit (Set)
Item #: TSR-CR1008-5
Condition:
New
Price: $179.96
Description: 4.160 1/16 1/16 3/16 TS Top Gapless Rings- File Fit (Set)
Item #: TSR-M0690-35
Condition:
New
Price: $381.57
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: $375.68
Description: 4.165 (4.170" Ring) 1/16 1/16 3/16 TS w/AP Stainless Top (C-33 chrome nitride(CrN) coated)- File Fit (Set)
Item #: TSR-CS0690-45
Condition:
New
Price: $375.68
Description: 4.181 (4.186" Ring) 1/16 1/16 3/16 TS w/AP Stainless Top (C-33 chrome nitride(CrN) coated)- File Fit (Set)
Item #: TSR-CS3455-35
Condition:
New
Price: $375.68
Items 1-7 of 7