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All Texas Speed & Performance 427 C.I.D. LSx short-blocks use a new GM Performance Parts LSx iron block! 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.
All Texas Speed & Performance 387/388 C.I.D. short-blocks use a new GMPP LSx cast iron block! The standard price includes a fully-assembled GM LSx short-block with a factory GM 3.622" stroke crankshaft with your choice of 24X or 58X reluctor wheel.
Best performance engine short blocks are here! LS2 408, LS3 415, LS7 441, LSX 454 stroker, fully machined & blue-printed. Custom builds available
Find CHEVROLET 6.6L/400 Chevy small block Gen I Crate Engines and get Free Shipping on Orders Over $109 at Summit Racing!
CNC-Motorsports offers the best in LSX 454-468 cubic inch LS short blocks. Our short blocks are in high demand among racers of all types worldwide. We use the best name brands such as Dart, Callies, Lunati, CP-Carillo, JE, Diamond, and Total Seal just to name a few.
LSX Bowtie Block specs and features include: • CNC-machined cast-iron block. • True priority main oiling. • 6-head bolts per cylinder. • Standard 4.400" bore spacing. • Extra-thick siamese cylinder bores. • Semi-finished, machined thicker decks. • LS7-style, 6-bolt dowel-located billet main bearing caps. • Wet-sump and dry-sump oiling capability.
Available in popular displacements, including 5.3, 5.7, 6.0, 6.7 and 7.0 liters, there are plenty of Chevy LS short blocks to choose from, which means you’ll be able to build your own equivalent to popular LS engines like the potent LS2 and LS3, the granddaddy LS1, and even...
