• Fits 302 and 351 pedestal style cylinder heads
• Use with bolt-on roller rocker arms
• Shim kit includes :
• 16 .020" thickness "thin" shims
  
• 16 .040" thickness "thick" shims
  
• These shims can be used to reduce your lifter pre-load by :
• 0.030" with 1 of the .020" (thin shim)
• 0.060" with 1 of the .040" (thick shim)
  
• or 0.090" with 1 of each shim (thin plus thick shim)