Yeah it looks stock.

Blue Thunder 351C 4V dual plane intake

1970 351C 4V Engine Specifications

-.030 over 2 blt. main block
-Wisco Forged Pistons 11.0 comp (100g lighter each than stock piston/rod combo)
-Balanced piston/rod/crankshaft/flywheel
-Blueprinted clearances
-4V heads, screw in studs 1.7 roller rockers
-Polished comb. Chamber, Valve bowls and intake chambers
-CC'd (63cc)
-Port matched to intake.
-Crane Hyd roller cam
228/232 at .050 Dur. Int/Ex, 290 294 adv. dur In/Ex,
112 lobe sep. .597/.609 Gross lift In/Ex
-Matching valve springs/retainers, Etc.
Harland Sharpe 1.73 Roller rockers
-SS valves
-Pro Gear double roller timing chain
--Speed Demon 750 CFM Carberator with Mechanical Secondaries
-Blue Thunder Dual Plane intake
-Rebuilt distributor with Pertronix and flamethrower coil
-Baffled oil pan (stock)
-MPG Windage tray and crank scraper
-Oil restrictors in lifter to help feed 3& 4 mains, all Oil Passages chamfered
-Melling HV oil pump
-Converted from 10.5 157 tooth to 11" 164 tooth Flywheel and Bellhousing.
-Centerforce 11" Dual Friction Clutch
-Ford Powertrain Apllication Headers 1 3/4" primaries, long tubes Ceramic coated inside and out.
Stainless Steel 2.5" exhaust, with Dynomax Super Turbo Mufflers. H pipe. Working on a set of repo 70 tips.

351C ready to fire up. 750 cfm Mech sec. Speed Demon

Lower End with ARP Bolts and MPG windage tray and scraper.

351C 4V comming home