All original, Standard Bore, crank bearings and rod bearings. Rebuilt with less than 4 hours run time on everything. Original LS6 engine from my 1974 Hallett River Cruiser. Hardin Marine OEM engine.
750 marine holley double pumper square bore, mechanical secondaries. Includes Billet fuel rail. New.
Holley 110gph 7 psi mechanical fuel pump. New.
Original "winters" Hi Perf dual plane aluminum manifold. ARP stainless intake bolts. New.
Original 990 heads, large rectangle ports, clay smith springs, retainers, locks etc. Fresh rebuild/valve job. Polished Aluminum valve covers. New.
Clay Smith H274 cam ground for this build 21' jet boat. Clay Smith hp lifters. New.
Original TRW forged pistons. 9.5 to 1 compression. New Rings.
Original Forged Dimple Rods with upgraded ARP rod bolts. Fresh & Resized.
Original Forged GM crank. Fresh journal polished. Std sized Clevite 77 bearings on all.
Original Hi Perf 4 bolt block. Honed cylinders. Std bore. Cam bearings and Freeze Plugs. New.
Mellings HV oil pump with ARP drive rod, stainless ARP bolts. All New.
Canton Racing 10 quart oil pan.
MSD E curve Distributor and Billet hold down with stainless ARP stud/nut. New
Comp cams billet aluminium two piece timing cover with Cloyes billet hex adjust roller timing chain. New.
MSD plug wires. New
OEM flywheel.
OEM dampener with ARP bolt.
All Felpro gaskets.
Ready to drop in and run!
Asking price $3,900.00. Considering trades on other hi perf bbc parts or ?
Decided to build a 540ci..
Located in Costa Mesa, Ca
Mike 949-456-0055
Sent from my SCH-I545 using SoCal Jet Boats mobile app
