Ultrastreet High Performance Street Engines

The LS3 416 Is The First Release Of A Diverse Line Of Mast Motorsports Hand Built Turnkey Crate Engines That Are Designed For The Hot Rod And Muscle Car Market.

  • Horsepower
  • Torque
  • Bore & Stroke
  • Compression Ratio
  • Fuel Requirement
  • 575 @ 6400 RPM
  • 520 @ 5200 RPM
  • 4.070 x 4.000
  • 11.2 to 1
  • 91 - 93 Octane

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