Search results
Mast Motorsports Short Blocks are assembled to the same demanding specifications as our crate engine program. We stand behind our short blocks with our reputation in workmanship and materials as we do every product in our product line.
Mast Motorsports LSX 440 Short Block -4cc Flat 4.185 x 4.000. PART NUMBER: MAST-LSX440-4CC. Availability: Ships from Manufacturer. Shipping: Free Over $98 In U.S. 48. Type: Engine Blocks.
All Texas Speed & Performance 438/441 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 your choice of 4.10" or 4.125" stroke crankshaft with a 24X or 58X reluctor wheel.
Base Price $9,599. The LS7 440ci competition short block uses a new GM LS7 block with 4.125" bore and a 4.125” Stroke to produce the 440CI. The 440 LSx short block is a great replacement engine for your Z06 Corvette but can be built to work in just about any car.
Best performance engine short blocks are here! LS2 408, LS3 415, LS7 441, LSX 454 stroker, fully machined & blue-printed. Custom builds available
Choose our LS short block assembly when you’re in need of high-horsepower engines for drag racing, drift racing or any other extreme application. Our LSx short blocks are more than capable of helping you leave your competition in the dust. Good for up to 1500hp; High Performance Boost Ready for LS Based Cars and Trucks
Mast short blocks are hand assembled by some of the best engine builders in the country using the best components available. We start with a brand new block that is thoroughly cleaned and deburred. The blocks are then honed and decked to proper tolerances.
