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SCAT Engine Components

SCAT SC4454425063852 Forged 4340 Lightweight Crankshaft Bb Chev 4.250" Stroke Use 6.385" Rods

SCAT SC4454425063852 Forged 4340 Lightweight Crankshaft Bb Chev 4.250" Stroke Use 6.385" Rods

SC4454425063852
$2,110.60 AUD
$2,110.60 AUD
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Perfect for engines wanting to rpm quicker, SCAT's Lightweight cranks have profiled counterweights for less weight and reduced windage.

  • 4.250" Stroke.
  • 6.385" Rod length.
  • 2.200" Big end journal size.
  • Weight: 65 lbs.
  • Internal Balance.
  • Designed and engineered by SCAT in Redondo Beach, CA
  • Inspected & micro polished at SCAT in Redondo Beach, CA
  • Straight shot & chamfered oil holes
  • Nitride hardened for superior wear resistance
  • Lightening holes in all rod throws
  • Large radius on all journals.
  • Precision ground, heat treated & shot peened

SCAT's Lightweight cranks use a computer generated symmetrical counterweight system to reduce rotating mass. This reduces stress on the block, crank flex, and overall weight while increasing horsepower and acceleration. SCAT's aero wing counterweight edge design reduces horsepower robbing windage and oil turbulence in the crank case. Ideal for competition engines using medium weight components while demanding maximum performance.



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