Gen IV Big Block Chevrolet engine parts. All parts are NEW. Selling as a lot. Will not separate.
One (1) pair of NEW Dart Big Block Chevrolet OVAL port cylinder heads. 270cc intake runner volume. CNC’d combustion chambers – 120cc. Intake ports have been port matched. Exhaust ports are as cast. Rocker arm stud bosses have been machined for Jesel rocker arm pedestals. See Jesel kit description below.
One (1) NEW Dart Big Block Chevrolet OVAL port Intake Manifold for single 4500 Holley carburetor. Manifold plenum has been cleaned up and blended to match a 1” phenolic four-hole spacer. Spacer is indexed to manifold with a pair of dowel pins. Ports are as cast.
Heads and manifold were to be used in a daily driver and were fitted with Helicoils in all threaded holes for valve covers, intake manifold, exhaust headers, carburetor, distributor, and thermostat housing. One (1) end of each head was fitted with Helicoils for accessory mounts.
Includes eight (8) NEW 2.250” intake valves (5.480” OAL) and eight NEW 1.880” exhaust valves (5.410” OAL). Valve stem diameters are 11/32”. One (1) exhaust valve is Brodix. All other valves are Dart Severe Duty.
Includes one (1) set of NEW ARP cylinder head bolts with washers. ARP part number 135-3702.
Includes one (1) complete NEW Jesel rocker arm kit. Ratios are 1.7:1/1.7:1. Pedestals suffered cosmetic rust damage following Hurricane Michael and were bead blasted with sacrificial screws in the threaded holes. Five (5) rockers also suffered water damage and were rebuilt by Jesel. The bodies for these were bead blasted and have a different finish from the others.
Includes one (1) NEW MSD 8460 ignition distributor for Small and Big Block Chevrolet engines. Includes new spare cap, new vacuum advance mechanism, and new magnetic pickup and vacuum advance plate assembly.
Parts are located near Chipley, FL and can be inspected by appointment.
Price is FIRM. No trades.