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"HP Big Valve" Heads.
Performance heads with big valve 40mm intake x 35mm exhaust valves.
If your looking to replace your stock heads with a set of larger valve heads check out our "HP Big Valve" Heads.
This is a good step up for performance build 1776cc and larger combos.
The "HP Big Valve" are a true performance for an off the shelf performance heads.
"HP Big Valve" Heads come with these features:
* Dual Port head
* Performance castings.
* Fits without modifications to your stock sheet metal.
* 3/4" reach 12mm spark plug holes moved up and over to give more meat so there is no chance of cracks.
* Thick solid chamber blocks to dissipate heat and if you want to fly cut the chambers a lot, its no problem.
* Solid rocker blocks so you can't pull out the rocker studs like the old days.
* Racer 3 angle long last, high flow valve job. (No cheep single angle valve job with our heads)
* 40mm intake valve x 35.5mm exhaust valves made from stainless steel.
* Dual or single High-Rev performance long last valve springs for that extra rpm protection.
* Light weight chromoly 4130 spring retainers (stronger than stock stamp steel retainers)
* Hardened heat treated valve keepers. (stronger than stock keepers).
* Aluminum-Silicone-Bronze long last valve guides.
* Bore open for 85.5, 87, 88, 90.5, 92 or 94mm free!!
* with 54cc chambers std.
* Each valve spring is shimmed per your cam and rocker combo for the correct spring pressure.
* 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!
$999.99 pair complete.
85.5/87mm with 55cc chamber 90.5/ 92mm with 55cc 94mm bore with 55cc
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