There is just something about a hard hitting camshaft that will never get old. Here, you can hear our brand new Vengeance Racing "sumbich" bumpstick, that was custom ground to make big power with the nastiest possible idle. Our customer had very specific goals - Big SOUND, big power, and no concern for drivability under 1500rpm. Ok, we can do that!



Engine:
Vengeance Racing "Sumbich" custom camshaft
Vengeance Racing / WCCH Stage 2 LS7 Cylinder Heads (read more here)
Vengeance Racing dual valve springs
Comp Cams hydraulic lifters
Haltech cold-air intake



Exhaust:
Pfadt Race Engineering Tri-Y 4-2-1 long-tube headers
Off-road X-pipe
Corsa cat-back exhaust



Accessories:
Vengeance Racing valve covers
Vengeance Racing coil relocation
Vengeance Racing custom length plug wires
160-degree thermostat

Results:
592.24-RWHP / 532.67 LB-FT of TORQUE
A wicked idle and over 592-rwhp on unmilled VR/WCCH Stage II LS7 cylinder heads. 532 lb-ft of torque, up from 458, with massive gains above 4000rpm. Did we mention the wicked idle?!



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