HP Stocks.
Low Price, but good performance for that budget minded builder. A smart upgrade on
small combos that want or should keep the stock 35mm x 32mm valve size on there combo.

"HP Stock" heads come with these features:
* Dual Port
* Stock style casting.
* Fits without modifications to your stock sheet metal.
* Added material under each rocker stud blocks.
* 3x angle valve job.
* Single High-Rev performance long last valve springs for that extra rpm protection.
* Aluminum-Silicone-Bronze long last valve guides.
* Bore open for 85.5, 87, 88, 90.5, 92 or 94mm
free!!
* with stock size 55cc chambers.
* Oiled and assembled for true bolt-on out of the box set of heads!
* All exhaust and intake studs are included.
* Thick Intake gaskets are included.
* 1x set of Heavy duty rocker studs are included.
* Oiled and assembled for true bolt-on out of the box set of heads!
$699.99 pair complete.

You can add to your head order:
* Standard with Stainless Steel valves
* Parts & Labor, machine back of heads for dual springs and add 8x dual valve springs with 8x
chromoly retainers.
add $95

*

85.5/87mm with 55cc chamber           90.5/ 92mm with 55cc                 94mm bore with 55cc