2007 Silverado RST[/B]*5.3 228r 112LSA PRC Springs 7.4 Pushrods Passetter Long Tubes, Ported 90mm TB LS6 Heads Yank 3600 Stall 3:73 gears 4l60e K&N CAI LS7 Lifters LS2 Timing Chain B&M Trans Cooler. SSBC 14inch Slotted Rotors Upgraded Front HD Calipers Tuned by Sam. P1 Pro Charger Powder Coated Black Tial Bov Kenne Bell BAP 40w Fast 85 lbs Injectors. Dynoed once broke my Drive shaft. http://m.youtube.com/watch?v=du8Rk7dwYJs