VS-133P

O-Ring Valve Stem Seal. Poly Material. Fits an 5/16" Valve Stem. 

Applications:

Small Block Chevy O-Ring

Ford Industrial 4.9 Liter L6 300 C.I. 12 Valve Light Duty 1965-1996

Ford Industrial 5.9 Liter V8 361 C.I. 1964-76

Ford Industrial 6.4 Liter V8 391 C.I. 1964-76

Ford Industrial 7.0 Liter V8 428 C.I. 16 Valve

GM Industrial 3.0L OHV L4 8 Valve 

GM Diesel 6.2L OHV V8 16 Valve Intake O-ring

GM Diesel 6.5L OHV V8 16 Valve Intake O-ring

International 2.5 Liter L4 152 C.I. Navistar

International 3.2 Liter L4 196 C.I. 

International 3.6 Liter L6 220 C.I. SD220 12 Valve

International 3.9 Liter L6 240 C.I. D240 12 Valve 1950-69

International 4.3 Liter L6 264 C.I BD246 12 Valve 1955-69

International 4.4 Liter L6 269 C.I. BD269 & BLD269A 12 Valve 1942-56

International 6.4 Liter V8 392 C.I V392

International 6.6 Liter V8 401 C.I V & VS401

International 7.8 Liter V8 478 C.I. V478

International 9.0 Liter V8 549 C.I. V549 & FTV549