Engine Kits

Pioneer HK1 GM Performance Head Kit Handles up to .490 lift
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Pioneer HK1 GM Performance Head Kit Handles up to .490 lift



Part #: HK1
List Price: $13.98
Our Price: $6.99
You Save: $6.99

Availability: In Stock



Handles up to .490 lift, Everything you need to rebuild your Small Block Chevy head. Chrome moly retainer, hardened 11/32" valve locks, 3/8" screw in stud, positive type valve seal and stock diameter valve spring. (Requires 2 kits per cylinder)

This item has been a top seller and was originally made exclusively made for Northern Auto Parts.  It combines the extremely popular "z28" style valve spring for small block Chevy applications with other required pieces.  All in one package!  All at a great savings too!

Kit Includes:
  • Z28 Valve Spring
  • 11/32" Keeper
  • Chrome Moly Retainer
  • 3/8" Screw In Stud