06-13 Lingenfelter Cylinder Heads Porting Customers Supplied Cores*Discontinued*

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This item has been discontinued. Following porting each head receives: Precision 3 angle valve job to maximize flow and provide extended life, CC checking chamber size for correct compression, surfacing to insure deck flatness,professional assembly, setting spring height and checking all
Temporarily Discontinued Low stock In stock
306288
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Description
This item has been discontinued.

Following porting each head receives: Precision 3 angle valve job to maximize flow and provide extended life, CC checking chamber size for correct compression, surfacing to insure deck flatness,professional assembly, setting spring height and checking all tolerances. Base price packages includes: Porting your complete supplied cylinder heads, Stock GM LS7 2.205 diameter titanium intake valves, GM LS7 1.615 diameter hollow stemmed sodium filled exhaust valves, LS7 valve springs stock retainers, locks, and GM valve seals. If you are planning to use the Lingenfelter GT-19 or GT-21 camshaft, upgrading to Ferrea dual springs, titanium retainers and valve locks (CC #305415) is recommended.

SENDING INSTRUCTIONS: Ship part via UPS if possible & insure package in case of damage enroute. Write FOR REBUILD on outside of box. Inside, include a sheet with your name, address, email and phone # so we may call you for billing info. Put at least 3" of packin

Specifications
Base Unit of Measure PR
Net Weight 50
Car Years 1 2006 2007 2008 2009 2010 2011 2012 2013
Part # 306288
Search Description LOCK RETAINER
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