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SDPC Raceshop LSX 427ci Stroker Shortblock. Get your boost and spray on with this LSX based 427cid shortblock! Includes: • LSX Cast Iron Block. • 4.125" Bore. • Wiseco -8cc Pistons with Upgraded S718 Wrist Pins. • Callies Xtreme Rods. • Callies Compstar 4.000” CCW Crankshaft 58X. • 7/16 Main Studs.
The standard price includes a fully-assembled GM LSx short-block with a 4.00" stroke crankshaft with your choice of 24X or 58X reluctor wheel. The standard price also includes your choice of Wiseco, Diamond Racing, or Mahle piston sets.
Our LS7 short block for sale is a true marvel for those who crave serious horsepower. We’re talking a build that can handle up to an astonishing 1000hp. At the heart of this LS7 short block lies a robust base, ready for the toughest of boosts, with ARP main studs and top-notch cam bearings.
An aluminum block compared to its iron counterpart transfers heat better and weighs 100 lbs. less. While weight reduction is helpful to drag racers, it's huge in road race and autocross for its effect on vehicle turning and braking.
Best performance engine short blocks are here! LS2 408, LS3 415, LS7 441, LSX 454 stroker, fully machined & blue-printed. Custom builds available.
Our impressive 441 LS Next Short Block employs a Dart LS Next SHP Iron Block and a proven 4340 Forged Steel Crankshaft. For strength, we use Forged H-Beam Connecting Rods with ARP 7/16” bolts and Forged Pistons.
GM Performance Parts for the lowest prices on the web. LSX Performance Parts. Proven LS Horsepower. From F-body to Corvette, Sierra to Silverado, G8 to GTO, we carry everything for making power with your LS or Gen V Ride!
