Shafiroff Racing UltraStreet Chevy Crate Engines

427 LSX Chevrolet Crate Engine

We've Teamed Up With Mast Motorsports To Bring You A Line Of LS Style Engine Products With Quality And Value Parallel To Ours!!

  • Horsepower
  • Torque
  • Bore & Stroke
  • Compression Ratio
  • Fuel Requirement
  • 800 @ 6500 RPM
  • 775 @ 3600 RPM
  • 4.125 x 4.000
  • 9.5 to 1
  • 93 Octane

  • LSX GM Performance Cast Iron Block
  • Callies 4.000" Forged Steel Stroker Crank
  • Callies 6.125" H-Beam Rods
  • Clevite Main & Rod Bearings
  • Mahle Custom Coated 9.5-1 Forged Aluminum Pistons
  • Plasma Moly Ring Set
  • Mast 3-Bolt Core Custom Grind Hydraulic Roller Camshaft
  • LS7 Hydraulic Roller Lifters
  • Cloyes Roller Timing Chain Set
  • Mast Motorsports LS3 280 Black Label Aluminum Heads
  • Mast Stainless Steel Intake Valves / Inconel Exhaust Valves
  • Mast Nitrided Beehive Roller Springs
  • ARP Head Studs & Main Studs
  • GM/Mast Roller Rockers
  • Mast Black Label Pushrods
  • Cometic MLS Head Gaskets

    Electronics/Wiring Harnesses:

  • Ignition Coils
  • Mast M120 Calibrated ECM
  • Main Wiring Harness
  • Dash Harness
  • MAP/IAT Harness
  • Transmission Harness
  • Fuel Pump Harness
  • Fan Harness
  • EGO Harness
  • GM Drive By Wire Foot Pedal
  • GM Starter
  • Magnasson 2300 TVS Supercharger
  • Magnasson Dead Headed Fuel Rail
  • Air To Water Intercooler
  • GM 90MM DBW Throttle Body
  • Fast 65lb Fuel Injectors
  • Electronic Solenoid For Boost Control
  • Mast 8 Layer Air Filter w/IAT Bung
  • Choice Of F-Body / Y-Body / Truck Oil Pan
  • Choice Of F-Body / Y-Body / Water Pump
  • Powerbond Y-Body SFI Harmonic Balancer
  • Ultra Heavy Duty Belt Tensioner
  • Complete Assembly Internally Balanced
  • Individually Dyno Tested & Tuned
  • Actual Dyno Sheet Provided
  • Spark Plugs w/Wire Set


    Sensors:

  • Bosch EGO Sensor
  • Intake Air Temperature Sensor
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Oil Pressure Sensor
  • Oil Temperature Sensor
  • Engine Coolant Temperature Sensor
  • Engine Knock Sensor
  • Throttle Output Pressure Sensor
  • Manifold Air Pressure Sensor
Accessories:
Vintage Air Billet Front Runner Accessory Package (w/o Power Steering)
Polished or Black Anodized. Includes SFI Balancer.
$ 2750
Vintage Air Billet Front Runner Accessory Package (w/Power Steering)
Polished or Black Anodized. Includes SFI Balancer.
$ 2895
Vintage Air Thermostat Kit. Required With Vintage Air Front Runner Kit. $ 68
SFI Flex Plate w/ARP Bolts (Required At All Racetracks) $ 219
GMPP Valve Covers $ 305
Fuel System:
Inline DHFR EFI Fuel Pump System. Black Anodized/Black Braided Lines. Supports Up To 750HP. Includes Pump, Regulator, Filter, Braided Stainless Hose & AN Fittings. $ 540
Ignition:
Coil Relocation Kit $ 345
Exhaust:
BRP Long Tube Headers (1 7/8" w/3" Primaries. Ceramic Coating Available) $ Call
BRP LS Conversion Headers. Fits 67-69 Camaro/Firebird - 68-74 Xbody Nova. $ 975
Conversion Parts:
BRP LS Conversion Engine Mount Kit. $ 235
Autokraft LS Conversion Oil Pan. Fits 1st & 2nd Gen Camaro/Firebird, Chevelle, 68-74 Nova, Impala & 63-97 Corvette. Note: Front Chassis Must Be Stock! $ 270
BRP LS Conversion Headers. Fits 67-69 Camaro/Firebird - 68-74 Xbody Nova. $ 975