Allstar Performance Valve Seals 11/32 PTFE .531 Guide | ALL90240-100 1971-chevrolet-biscayne-esi4154398 while the ALL87210 is plain

while the ALL87210 is plain cork without a steel core

Length is measured approximately center-to-center of the terminal ends

00IN Description_SHO FM40SRS CEN/OFF 3

Perfect For Adding Aggressive Dual Purge Look

7 Liter MT82

Allstar Performance Valve Seals 11/32 PTFE .531 Guide | ALL90240-100 1971-chevrolet-biscayne-esi4154398 while the ALL87210 is plainThe Allstar Performance Valve Seals 11 32 PTFE . 531 Guide (ALL90240 100) are positive stop style seals with spring loaded wipers for maximum oil control. This is the bulk 100 pack option of the same seal available in the ALL90240 16 pack. These seals are sized for an 11 32 inch valve stem with a . 620 inch outer diameter and a . 531 inch guide outer diameter. Machining is required for most installations. Each package contains a set of 100 seals. Spec