74 Duster 440 first build

10.5:1 Compression ratio
KB Pistons
Stock forged crank
#187 a body BB oil pan
440 Source Stealth Aluminum Heads
440 Source roller rockers and push rods
440 Source aluminum water pump and housing
MP valve covers
Comp Cam Extreme Energy 21-223-4
Comp Cam lifters and timing set