matt thompson

Low km LS3 engine 29xxxkm Stock bottom end 0821 heads pac dual valve springs vcm 232/234 camshaft cnc billet black rocker covers aftermarket harmonic balancer made 450hp on 98 N/A 730hp manual 10psi on e85 700 hp t400 10psi on e85 Will come with stock front cover and valley cover as needed for the new engine Selling to go iron block. Engine has been extremely reliable and never missed a beat. serviced frequently by mechanic owner. engine is still in vehicle and can be seen running (no test pil