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25 Hot EFI Crate Motors- The List

COMPANY NAME Katech Performance (Katech Inc.)
BLOCK LS7, aluminum
DISPLACEMENT 427 ci (7.0L)
COMPRESSION RATIO 11.0:1
CRANKSHAFT 4.00-inch, GM, forged
RODS 6.067-inch, GM, Titanium I-beam rebushed with
  solid bronze bushing
PISTONS 4.125-inch, Katech, forged
RINGS Dana LS7 production
ROD BEARINGS GM or Clevite
MAIN BEARINGS GM or Federal Mogul
CAM BEARINGS GM
BOLTS GM
HEADS LS7 with titanium intake valves and retainers
HEAD GASKETS GM or Cometic
CAM GM, hydraulic roller, specs TBA
LIFTERS Delphi
PUSHRODS Trend Steel
ROCKER ARMS GM, 1.8 ratio
VALVESPRINGS GM
INTAKE MANIFOLD GM, LS7
THROTTLE BODY GM, LS7
FUEL INJECTORS Bosch, 40 lb/hr
MAF No
WIRING HARNESS No
PCM No
CORE CHARGES Provide LS7 or pay $14,000.00 for base engine
WARRANTY 12 months/12,000 miles on Katech workmanship
PRICE $8,250.00 plus shipping
OTHER PACKAGES Options include 9.5:1 or 12.0:1 compression, piston skirt coating, ARP head and main studs, and MEFI 4B ECM and harness for off-road applications.

COMPANY NAME Late Model Engines (LME)
BLOCK GM 6.0L, iron
DISPLACEMENT 408 ci (6.7L)
COMPRESSION RATIO 11.0:1
CRANKSHAFT 4.00 inch, Eagle, 4340 forged
RODS 6.125 inch, Callies COMP Star, 4340 forged
PISTONS 4.030 inch, Wiseco, forged
RINGS Childs & Albert Dura Moly
ROD BEARINGS Clevite
MAIN BEARINGS Federal Mogul
CAM BEARINGS Durabond
BOLTS ARP
HEADS AFR 225cc CNC-ported
HEAD GASKETS Cometic MLS
CAM Cam Motion custom, hydraulic roller,
.648/.648-inch lift, 244/248 duration at .050, 112 LSA
LIFTERS Crane
PUSHRODS COMP, chromemoly
ROCKER ARMS Jesel SS series, 1.7 ratio
VALVESPRINGS Manley Nex Tek dual
INTAKE MANIFOLD No
THROTTLE BODY No
FUEL INJECTORS No
MAF No
WIRING HARNESS No
PCM No
CORE CHARGES No
WARRANTY Not specified
PRICE $8,149.00
OTHER PACKAGES ET Performance CNC cylinder heads, big-bore LS1 & LS2 up to 447 ci, custom cams including solid roller, any compression available, billet main caps, lifter bushings for radical solid rollers, ARP 1/2-inch custom head studs, custom sheet metal intakes, FAST ported 90mm intakes, Nick Williams 90mm throttle bodies

COMPANY NAME Lingenfelter Performance Engineering
BLOCK LS2, aluminum
DISPLACEMENT 403 ci (6.6L)
COMPRESSION RATIO 10.8:1
CRANKSHAFT 4.00-inch, Callies, 4340 forged
RODS 6.125-inch, Manley, 4340 forged fully machined rods
PISTONS 4.005-inch, JE, forged
RINGS Total Seal
ROD BEARINGS Clevite
MAIN BEARINGS Federal Mogul
CAM BEARINGS Durabond
BOLTS Manley rod, GM main
HEADS Lingenfelter CNC-ported & polished LS2
HEAD GASKETS GM
CAM COMP Cams, hydraulic roller, Lingenfelter-designed
"GT11"
LIFTERS GM
PUSHRODS COMP Cams HD
ROCKER ARMS GM, 1.7 ratio
VALVESPRINGS COMP Cams, dual
INTAKE MANIFOLD FAST 90 mm
THROTTLE BODY LS2 90 mm, ported
FUEL INJECTORS GM LS2
MAF No
WIRING HARNESS No
PCM No
CORE CHARGES Additional charge if no core supplied
WARRANTY 2 years/24,000 miles on workmanship only
PRICE $12,995.00
OTHER PACKAGES This is one of Lingenfelter's most popular engine combos for LS2-equipped vehicles. It can also be configured to work in LS1 or LS6 applications if needed. Several other engine combinations are available ranging from 366 ci to 427 ci.

COMPANY NAME Livernois Motorsports
BLOCK LS2, aluminum
DISPLACEMENT 404 ci (6.6L)
COMPRESSION RATIO 11.0:1
CRANKSHAFT 4.00-inch, Custom Livernois Motorsports, 4340 forged
RODS 6.125-inch, Livernois custom, H-beam
PISTONS 4.010-inch, Mahle custom
RINGS Mahle custom
ROD BEARINGS Clevite
MAIN BEARINGS Clevite
CAM BEARINGS Durabond
BOLTS ARP
HEADS Livernois Motorsports CNC-ported LS6 Stage 2
HEAD GASKETS Cometic
CAM Livernois Motorsports, hydraulic roller, .610/.610-inch
lift, 236/240 duration at .050, 112 LSA
LIFTERS GM
PUSHRODS Trend Performance
ROCKER ARMS GM
VALVESPRINGS Detroit Speed Works, custom
INTAKE MANIFOLD No
THROTTLE BODY No
FUEL INJECTORS No
MAF No
WIRING HARNESS No
PCM No
CORE CHARGES Block, to be determined
WARRANTY Workmanship
PRICE $7,299.00
OTHER PACKAGES Several different stage cylinder head and camshaft options, compression ratio options, rocker arm options, Jesel belt drive, COMP Cams lifters, Canton oil pan; Livernois Motorsports carries a full line of Gen III/Gen IV parts and accessories.

COMPANY NAME Rapid Motorsports
BLOCK LS2, aluminum
DISPLACEMENT 402 ci (6.6L)
COMPRESSION RATIO 11.0:1
CRANKSHAFT 4.00-inch, Callies Racemaster, forged steel
RODS 6.125-inch, SCAT
PISTONS 4.000-inch, Diamond
RINGS Akerly and Albert, Plasma Moly
ROD BEARINGS Clevite
MAIN BEARINGS Clevite
CAM BEARINGS Clevite
BOLTS ARP
HEADS AFR 225cc
HEAD GASKETS Cometic MLS
CAM Rapid Motorsports "Dominator" series, hydraulic
roller, custom to customer
LIFTERS COMP Cams
PUSHRODS Moly
ROCKER ARMS GM
VALVESPRINGS Pioneer
INTAKE MANIFOLD No
THROTTLE BODY No
FUEL INJECTORS No
MAF No
WIRING HARNESS No
PCM No
CORE CHARGES None
WARRANTY 6 month/6,000 mile conditional
PRICE $10,595.00
OTHER PACKAGES Any compression ratio specified by the customer can be had from 8.5:1 to 15.0:1, the above is just an example. Rapid Motorsports also builds LSX engines from 346 ci to 470 ci, and big- and small-block Chevys (including TPI and LT1).


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