Our 408 Race Demon rotating assembly is one of our most popular 351
stroker for the Big Nos / force induction crowd! This is perfectly
suited for uses
from street to
all out racing! If you are building a big
horsepower small block Ford (700+ HP), this kit is perfect for you!
408 Assembly Includes-
Scat 4340 Forged Steel 4.00" stroker
HMS 6.250" 4340 forged H-Beam rods w/ ARP Cap Screw bolts
Probe 2816 Forged Pistons with fitted Pins
Clevite H series Rod and Main Bearings
Perfect Circle Performance Moly Rings
Dish -14.2cc = 8.98 comp.
Flat Top -4cc = 10.02 comp.
9cc = 11.86 comp.
030 or .040 bore size
with valve reliefs for inline or Twisted Wedge valve configurations.
Valve reliefs will
handle cams in the .600+ lift range.
Rotating kit price is for a non balanced assembly. We can computer balance
kit for an additional charge. external balanced 28oz $155.00 Internal
ratio based on .030 bore, 61cc head chamber, .010 deck and .038 head gasket )