862 vs. 706 heads - PerformanceTrucks.net Forums
862 vs. 706 heads - PerformanceTrucks.net Forums
Feb 2, 2009
performancetrucks.net
Why 243s when 706s
Why 243s when 706s
Nov 7, 2017
gmfullsize.com
Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR)
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Richard pits a set of stock truck cylinder heads against each other! 706 vs 317's. NA vs Boost. Upgraded COMP Cams camshaft, our best selling valve springs, and some Holley on board! Which truck head will DO WORK? Watch to find out! | Brian Tooley Racing
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