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Ultima Sports Cars Ltd.
Hinckley, Leicester, England

American Speed "Ultima Engine Packages" are custom built engines specifically designed for Ultima Supercars.

** New! 7.0L LS-7 Engines - See Below! **

Please scroll down below pictures to see Ultima engine list.
 

640 hp 377"  18 deg. Dry Sump Engine

535 hp 383"  Ultima Road Engine

Chevrolet Ultima Turnkey Engine Package

 

 

7.0L LS-7 565 hp Ultima Sports Turnkey Engine Package

Custom programmed GM ECU for Ultima cars, Custom LS-7 wire harness specifically designed for Ultima cars, Mass Air flow assembly, Air flow sensors, K&N air filter, GM LS-7 engine covers and studs, LS-7 oil filter adapter. Heated O2 sensors, CA130 alternator and custom mounting kit, air conditioning compressor for Ultima, custom billet idler and belt tension pulleys, Accelerator pedal for "fly by wire" throttle system, modified oil pump for Ultima cars, inlet manifold rotated 180 deg., dyno testing with printout.

             

7.0L LS-7 Chevy Ultima Turnkey Engine: All aluminum engine assembly, 11.0 compression, dry sump oiling system, titanium rods, titanium valves, CNC ported cylinder heads, 4340 steel crankshaft.
 

Ultima Engine List

Engine Name Description Horsepower Price
406 c.i. 600 hp dry sump, 600 hp @6000 rpm, 556 ft. lbs. torque @5000 rpm, 10.5 comp. 600 hp POR
350 c.i. 400 hp @5200 rpm, 435 ft. lbs. torque @4000 rpm. 9.8 comp. 400 hp POR
350 c.i. 425 hp @5500 rpm, 440 ft. lbs. torque @4200 rpm, 9.8 comp. 425 hp POR
383 c.i. 480 hp @5400 rpm, 515 ft. lbs. torque @4000 rpm 480 hp POR
383 c.i. 550 hp @6000 rpm 515 ft. lbs. torque @4800 rpm 550 hp POR
406 c.i. 600 hp @6000 rpm 556 ft. lbs. torque @5000 rpm wet sump, 10.5 comp. 600 hp POR
427 c.i. 600 hp @5800 rpm 580 ft. lbs. torque @4300 rpm, 10.5 comp. 600 hp POR
377 c.i. 640 hp @6500 rpm, 18 deg. Wet Sump, 560 ft. lbs. torque @5000 rpm. 10.5 comp. 640 hp POR
377 c.i. 685 hp @6800 rpm 18 deg. Dry Sump, 580 ft. lbs. torque @4900rpm, 10.5 comp. 685 hp POR
406 c.i. 720 hp @6700 18 deg. Dry Sump 630 ft. lbs. torque @4400 rpm, 10.5 comp. Not emission legal 720 hp POR
383 c.i. 535 hp @6000 rpm, 520 ft. lbs. torque @4500 rpm 535 hp POR
383 c.i. 640 hp @6500 rpm, 18 deg. wet sump, 560 ft. lbs. torque @4800 rpm. 10.5 comp. 640 hp POR
383 c.i. 640 hp @6500 rpm, 18 deg. dry sump, 560 ft. lbs. torque @4800 rpm, 10.5 comp. 640 hp POR
383 c.i. 460 hp @5700 rpm, 500 ft. lbs. torque @4200 rpm 460 hp POR
383 c.i. 425 hp @5400 rpm, 485 ft. lbs. torque @4100 rpm 425 hp POR
383 c.i. 400 hp @5200 rpm, 480 ft. lbs. @3900 rpm 400 hp POR
7.0L LS Ultima engine 565 hp @6000 rpm, 536 ft. lbs. torque @5200 rpm, 11.0 comp., fuel injected, dry sump, all aluminum. Emission legal in 49 states, Turnkey 565 hp POR
7.0L LS Ultima engine 650 hp @6000 rpm, 580 ft. lbs. torque @5300 rpm, 11.0 comp., fuel injected, dry sump, all aluminum. Emission legal in 49 U.S states. Turnkey 650 hp POR
6.8L Supercharged LS Ultima Evo Engine 1020 hp @6000 rpm, 920 ft. lbs. torque @4800 rpm, 8.0 comp., Supercharged, intercooled, fuel injected, dry sump, all aluminum, turnkey, requires modifications 1020 hp POR
7.0L LS Ultima engine 700 hp@6600 rpm, 625 ft. lbs. torque @4500 rpm, 11.5 comp, dry sump, all aluminum, fuel injected. Emission legal in 49 states. Turnkey 700 hp POR
6.2L LS Ultima engine 480 hp @6000 rpm, 475 ft. lbs, torque @4400 rpm, 10.7 comp., fuel injected, all aluminum. Emission legal in 49 U.S. states. Turnkey 480 hp POR
350 c.i. 300 hp @5000rpm, 385 ft. lbs. torque @3700 rpm, 8.5 comp. 300 hp POR
350 c.i. 350 hp @5200 rpm, 415 ft. lbs. torque @3700 rpm, 9.0 comp. 350 hp POR
6.2L LS Ultima engine 575 hp @6100 rpm, 540 ft. lbs. torque @4400 rpm, 11.0 comp., fuel injected,all aluminum. Emission legal in 49 U.S. states Turnkey 575 hp POR
6.8L Supercharged LS Ultima Evo Engine 1020 hp @6000 rpm, 920 ft. lbs. torque @4800 rpm, 8.0 comp., Supercharged, intercooled, fuel injected, wet sump, all aluminum, turnkey, requires modifications 1020 hp POR

NOTE: Aluminum alloy blocks available at extra cost.

Turnkey engine packages include:  Holley carburetors w/electric or manual choke, MSD billet distributor (w/rev control on 460 hp and up), MSD coil, 8mm premium ignition wires and spark plugs, billet aluminum pulleys, HD aluminum water pump, thermostat and housing, HD motor mounts, HD Powermaster 80 amp low mount alternator, hi-capacity road race race oil sump, billet fuel line, Hi-Flow 14" air filter, chrome or polished aluminum rocker covers.
All engines are blueprinted, balanced, assembled and dyno tested ready to install.
Additional custom accessories available at extra cost.
Prices do not include shipping and $85.00 crating and handling charge.
For warranty info see "Warranty Info"

 

 American Speed Enterprises, Inc.  3006 Avenue of the Cities,  Moline, IL 61265  Telephone: 309-764-3601  FAX: 309-764-2786