VALVE LOCKS(KEEPERS)

ERSCO'S VALVE LOCKS are manufactured to meet or exceed O.E.M. specifications. 

STEM SIZE                       APPLICATION                                        PART #                  STYLE

     11/32"        AMC, GMC, FORD, DETROIT, CONTINENTAL         VL-116            S/GROOVE-S/BEAD

11/32" HARDENED                    "                                                          VL-116HT       S/GROOVE-S/BEAD

     3/8"    AMC, GMC, FORD, CUMMINS, IHC, J.DEERE, ALLIS    VL-140          S/GROOVE-S/BEAD

3/8" HARDENED                       "                                                          VL-140HT      S/GROOVE-S/BEAD

      5/16"        CHRYSLER, FORD, GMC, DETROIT DIESEL             VL-223          S/GROOVE-S/BEAD

      11/32"                       CHRYSLER 2.2L, 2.5L                                    VL-250HT      S/GROOVE-S/BEAD

       1/4"                  DETROIT DIESEL - "53 SERIES"                          VL-304         S/GROOVE-S/BEAD

       7/16"                       MACK-FORD TRUCK                                     VL-433          S/GROOVE-S/BEAD

       1/2"                                    CUMMINS                                              VL-435         S/GROOVE-S/BEAD

5/16" HARDENED       CHRYSLER-JEEP (2.5L)                           VL-240HT   S/GROOVE-TOP/BEAD

.315-HARDENED        CHRYSLER 2.6L (83-UP)                          VL-266HT   S/GROOVE-TOP/BEAD

      7MM                       GMC 1.6L, 1.8L, 2.5L, 2.8L                           VL-256HT   S/GROOVE-TOP/BEAD

         3/8"                CHRYSLER-CUMMINS (INTAKE)                         VL-112         D/GROOVE-2 BEAD

3/8"-HARDENED    CHRYSLER-CUMMINS (INTAKE)                    VL-112HT     D/GROOVE-2 BEAD

       29/64"                               CUMMINS                                               VL-384       D/GROOVE-2 BEAD

        7MM           FORD 4.6L (281) SOHC/DOHC (1992-98)              VL-281        MULTIPLE GROOVE

5/16"-HARDENED          FORD 1.6L, 1.9L, 3.0L                                 VL-234HT     MULTIPLE GROOVE

.315-HARDENED    FORD 2.8L, 3.8L,-CHRYSLER 1.7L                  VL-301HT     MULTIPLE GROOVE

11/32"-HARDENED                       FORD                                            VL-406HT     MULTIPLE GROOVE

3/8"-HARDENED        AMC, CHRYSLER (EXHAUST)                      VL-131HT     MULTIPLE GROOVE

HARDENED & COLOR CODED-These keepers are used to compensate for lost spring pressure due to valve face & valve seat grinding. 

.030-Used with NEW springs makes up for lost pressure from grind-in.

.060-For in-service or USED springs. Corrects assembled height & lost spring pressure.  

STEM SIZE                   APPLICATION                        PART #                 STYLE

      5/16"           FORD, DETROIT DIESEL, GMC         VL-5030             +.030 SINGLE BEAD

      5/16"           FORD, DETROIT DIESEL, GMC         VL-5060             +.060 SINGLE BEAD

      11/32"                           GMC, FORD                           VL-1030             +.030 SINGLE BEAD

      11/32"                           GMC, FORD                           VL-1060             +.060 SINGLE BEAD

       3/8"                       GMC, FORD, AMC                      VL-2030            +.030 SINGLE BEAD

       3/8"                       GMC, FORD, AMC                      VL-2060            +.060 SINGLE BEAD

Minus "50" keepers have the bead relocated to relax the spring be -.050 over OE type locks. All Minus "50" keepers are heat-treated to increase durability for hi-performance engines. 

STEM SIZE                APPLICATION                PART #                  STYLE

     11/32"                                                               VL-1050HP             -.050 SINGLE BEAD

      3/8"                                                                VL-2050HP             -.050 SINGLE BEAD