Gen 3 Stage 3 JM cylinder heads for sale

Dan Cragin

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Came across a couple sets of new JM Stage 3 heads for the 03-06 Viper.

These heads are CNC ported with stainless valves, Phos/Bronze valve guides, Viton valve seals, ductle iron valve seats and performance valve springs and retainers. Combustion chambers are reshaped and matched for 10.0 to 1 compression. Resurfaced for MLS gaskets and intake face surfaced for proper intake fitment.

$3500 a set/ No core charge

Dan Cragin/SPT 310-597-6295
 
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Dan Cragin

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The GG and JM stage 3 heads are very much a-like, from the data i have seen the GG heads may flow a little better.
 
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Dan Cragin

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You will need to change the rocker arms, pushrods and valve covers as well.
 

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