862 vs. 706 heads - PerformanceTrucks.net Forums
862 vs. 706 heads - PerformanceTrucks.net Forums
Feb 2, 2009
performancetrucks.net
Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR)
Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR)
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Boostline Performance - Street Series 5.7L Dyno Testing - 862/706 Cylinder Head Comparison
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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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