1966 425ci Buick Nailhead short block - from 1966 Riviera, last year of this iconic engine! Fully machined - 0.040" over std. Crank & rods 0.010/0.010 re-surfaced - new Egge/TA Performance 0.040" cast pistons - Hastings Moly rings - new 10/10 bearings main/rod (from CarmenF) - new cam bearings installed - new freeze plugs installed - new main studs and rod bolts (ARP) Machining work: - magna-flux check for cracks - sonic tested cylinder walls for thickness & core shift - Epoxy fill lower water jackets of cylinder bores per NH strength recipe - Block decked parallel and re-surfaced - Main journals align honed - cylinders bored 40 over std. - rotating assembly externally balanced - flywheel and harmonic balancer included Prefer local sale - but not opposed to strapping to pallet. Buyer to pay shipping. Listed on CL https://boulder.craigslist.org/pts/d/boulder-425-buick-nailhead-short-block/7729753763.html
