{"product_id":"texas-speed-427ci-dart-ls-next-iron-short-block-tsp-427dart-std","title":"Texas Speed 427ci Dart LS Next Iron Short Block — Gen III \u0026 Gen IV LS | TSP-427DART-STD","description":"\u003cp\u003eThe Texas Speed 427ci Dart LS Next Iron Short Block is an assembled short block built on the Dart LS Next iron block with 6-bolt mains. It carries a TSP 58x forged crankshaft with a 4.00\" stroke, TSP 4340 steel 6.125\" I-beam connecting rods and TSP\/Wiseco 4.125\" forged pistons with upgraded wrist pins. An ARP main stud kit secures the mains and upgraded 1\/2\" head studs are included.\u003c\/p\u003e\u003cp\u003eTexas Speed rates this short block for up to 1200 horsepower and aims it at high-performance street builds, drag racing and road course cars. Choose between the -4cc piston for a higher compression naturally aspirated combination or the -13cc piston for lower compression with boost or pump gas. Final compression ratio depends on the cylinder heads and head gaskets used. This kit SKU ships with twelve quarts of Royal Purple 10W30 break-in oil, a Texas Speed LS engine stand and a shipping crate.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDisplacement: 427 cubic inches\u003c\/li\u003e\n\u003cli\u003eBlock: Dart LS Next iron block, 6-bolt main configuration\u003c\/li\u003e\n\u003cli\u003eCrankshaft: TSP forged, 4.00\" stroke, 58x reluctor\u003c\/li\u003e\n\u003cli\u003eConnecting rods: TSP 4340 steel I-beam, 6.125\"\u003c\/li\u003e\n\u003cli\u003ePistons: TSP\/Wiseco forged, 4.125\" bore, -4cc or -13cc (selected at ordering), upgraded wrist pins\u003c\/li\u003e\n\u003cli\u003eMain hardware: ARP main stud kit\u003c\/li\u003e\n\u003cli\u003eHead studs: Upgraded 1\/2\" head studs included\u003c\/li\u003e\n\u003cli\u003eHorsepower rating per Texas Speed: up to 1200 HP\u003c\/li\u003e\n\u003cli\u003eApplications per Texas Speed: High-performance street, drag racing, road course\u003c\/li\u003e\n\u003cli\u003eIncluded with this kit: Royal Purple 10W30 break-in oil (12), TSP LS engine stand, short block shipping crate\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKit Includes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTexas Speed 427ci Dart LS Next iron 6-bolt short block with 1\/2\" head studs (piston selected at ordering)\u003c\/li\u003e\n\u003cli\u003eRoyal Purple 10W30 break-in oil, qty 12 (RYP-11487)\u003c\/li\u003e\n\u003cli\u003eTexas Speed LS engine stand with 3\/8\" drilled holes (TSP-Cradle)\u003c\/li\u003e\n\u003cli\u003eEngine crate for short block assembly (TSP-SDCrateSB)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOrdering Options\u003c\/h3\u003e\u003cp\u003eSelect the Piston option when ordering: -4cc pistons (TSP-DART4271200HP-4-STD) or -13cc pistons (TSP-DART4271200HP-13-STD). Both versions use the same block, crankshaft, rods and hardware.\u003c\/p\u003e\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\u003cp\u003eBuilt for Gen III and Gen IV LS based combinations. Vehicle list reflects the fitment published by Texas Speed for this short block; confirm the rest of the build is compatible with a 58x crankshaft and the Dart LS Next block before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChevrolet Camaro\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1998 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2010 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2011 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2012 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2014 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2015 Chevrolet Camaro\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChevrolet Corvette\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1997 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2009 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2010 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2011 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2012 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Corvette\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCadillac CTS-V\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2004 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2005 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2006 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2007 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2008 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2009 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2010 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2011 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2012 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2013 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2014 Cadillac CTS-V\u003c\/li\u003e\n\u003cli\u003e2015 Cadillac CTS-V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCadillac Escalade\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2002 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2003 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2004 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2005 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2006 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2008 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2009 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2010 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2011 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2012 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2013 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2014 Cadillac Escalade\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePontiac Firebird\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1998 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1999 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e2000 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e2001 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e2002 Pontiac Firebird\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePontiac G8\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2008 Pontiac G8\u003c\/li\u003e\n\u003cli\u003e2009 Pontiac G8\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePontiac GTO\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2004 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e2005 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e2006 Pontiac GTO\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGMC Sierra 1500\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1999 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2000 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2001 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2002 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2005 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2006 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2007 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2008 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2009 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2010 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2011 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2012 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2013 GMC Sierra 1500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGMC Sierra 2500\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2001 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2002 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2005 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2006 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2007 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2009 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2010 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2011 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2012 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2013 GMC Sierra 2500\u003c\/li\u003e\n\u003cli\u003e2014 GMC Sierra 2500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGMC Sierra 3500\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2001 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2002 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2003 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2005 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2006 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2009 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2010 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2011 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2012 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2013 GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003e2014 GMC Sierra 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChevrolet Silverado 1500\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1999 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2009 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2010 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2011 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2012 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChevrolet Silverado 2500\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1999 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2009 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2010 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2011 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2012 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003cli\u003e2014 Chevrolet Silverado 2500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChevrolet Silverado 3500\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2001 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2009 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2010 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2011 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2012 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003e2014 Chevrolet Silverado 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChevrolet SS\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2014 Chevrolet SS\u003c\/li\u003e\n\u003cli\u003e2015 Chevrolet SS\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet SS\u003c\/li\u003e\n\u003cli\u003e2017 Chevrolet SS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChevrolet Suburban\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2000 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2009 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2010 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2011 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2012 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2014 Chevrolet Suburban\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChevrolet Tahoe\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2000 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2009 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2010 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2011 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2012 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2014 Chevrolet Tahoe\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChevrolet Trailblazer SS\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2006 Chevrolet Trailblazer SS\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Trailblazer SS\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Trailblazer SS\u003c\/li\u003e\n\u003cli\u003e2009 Chevrolet Trailblazer SS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePontiac Trans Am\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1998 Pontiac Trans Am\u003c\/li\u003e\n\u003cli\u003e1999 Pontiac Trans Am\u003c\/li\u003e\n\u003cli\u003e2000 Pontiac Trans Am\u003c\/li\u003e\n\u003cli\u003e2001 Pontiac Trans Am\u003c\/li\u003e\n\u003cli\u003e2002 Pontiac Trans Am\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGMC Yukon\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1999 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2000 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2001 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2002 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2003 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2004 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2005 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2006 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2007 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2008 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2009 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2010 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2011 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2012 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2013 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2014 GMC Yukon\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eVehicle applications reflect the fitment published by Texas Speed \u0026amp; Performance for this part number. Confirm your engine and cylinder head configuration before ordering.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat comes in the Texas Speed 427ci Dart LS Next short block?\u003c\/h5\u003e\u003cp\u003eThe short block includes the Dart LS Next iron 6-bolt block, a TSP 4.00\" stroke 58x forged crankshaft, TSP 4340 6.125\" I-beam rods, TSP\/Wiseco 4.125\" forged pistons in the dish you select, an ARP main stud kit and upgraded 1\/2\" head studs. This kit SKU also ships with break-in oil, an engine stand and a crate.\u003c\/p\u003e\u003ch5\u003eShould I pick the -4cc or -13cc pistons?\u003c\/h5\u003e\u003cp\u003eThe -4cc piston gives a higher compression ratio for a naturally aspirated build, while the -13cc piston lowers compression for supercharged, turbocharged or pump-gas combinations. The final ratio depends on the cylinder heads and head gaskets you use.\u003c\/p\u003e\u003ch5\u003eHow much horsepower can the 427ci Dart short block handle?\u003c\/h5\u003e\u003cp\u003eTexas Speed rates the 427ci Dart LS Next iron short block as capable of handling up to 1200 horsepower in street, drag racing or road course use.\u003c\/p\u003e\u003ch5\u003eAre head studs included with this short block?\u003c\/h5\u003e\u003cp\u003eYes. Texas Speed includes upgraded 1\/2\" head studs with the 427ci Dart LS Next short block, in addition to the ARP main stud kit used on the bottom end.\u003c\/p\u003e\u003ch5\u003eIs this short block a complete engine?\u003c\/h5\u003e\u003cp\u003eNo. It is a short block, so cylinder heads, camshaft, lifters, timing components, oil pump, oil pan, covers and accessories must be added to build a running engine.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What comes in the Texas Speed 427ci Dart LS Next short block?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The short block includes the Dart LS Next iron 6-bolt block, a TSP 4.00\\\" stroke 58x forged crankshaft, TSP 4340 6.125\\\" I-beam rods, TSP\/Wiseco 4.125\\\" forged pistons in the dish you select, an ARP main stud kit and upgraded 1\/2\\\" head studs. 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