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# 907whp 2003 Lexus IS300
- URL: https://www.streetcarmarket.com/listings/907whp-2003-lexus-is300/
- Published: 2023-03-17T00:00:00.000Z
- Updated: 2026-04-02T18:05:25.000Z
- Description: $38,000 - Sarasota, FL
- Author: Street Car Market
- Tags: Street Cars, #listings-col, Sold

### Essentials

- **VIN**: JTHBD192830074938
- **Title Status**: Clean Title
- **Chassis Mileage**: 110,000
- **Build Mileage**: 6,000

### Description

907whp 2003 Lexus IS300 in Graphite Gray Pearl with 110,000 (Chassis) miles for sale! This IS300 was built and tuned by Sound Performance, pumping out over 900 horses with a very solid setup that’s been well documented with receipts for everything. Packing an Accelerated Performance built 2JZ short block with a Headgames built head (built for 1500ish hp - extremely reliable), the engine build was matched with a Precision 6766 DBB turbo. All backed by a Grannas Racing GR900 T-56 6-speed manual transmission swap with a new McLeod RXT twin disc clutch. Fueling this beast of a setup is a Squash Performance dual hanger with Walbro 450 pumps, followed by PTE 1200cc injectors, Radium fuel rail, Aeromotive FPR, and a flex fuel sensor to run E85, 93 or anything between. Additional build highlights include a Treadstone TR1245 intercooler, Fuse Fabrication exhaust manifold, tig welded 4” downpipe, Tein Flex Z coilovers, Tweak’d engine harness, Figs Engineering bushings, and much more. This build features numerous quality components, all brought together with a ProEFI 128 standalone that was tuned by Larry at Sound Performance with an output of 907whp @ 29psi on E85\. Clean title!

### Modifications

Engine (6K Miles):

- Accelerated Performance Built Short Block
- GE Block Bored 3.406
- Carrillo HD Connecting Rods w/ 3/8 Carr Bolts
- Titan Billet Mains
- CP HD 9.5:1 Pistons
- Clevite Bearings
- Mag Polish & Balanced Crankshaft
- ARP CA625+ Main Stud & Head Studs
- OE Tensioner
- HKS 1.2 Stopper Head Gasket
- ATI Super Damper
- Titan Billet Tensioner
- Gates Racing Timing Belt
- OE Front & Rear Main Seals
- New Shimmed GTE Oil Pump
- Headgames Built Head
- Pocket Port, Bronze Guides, Valve job, Chambers, Mill & Assemble
- Ferrea Competition Plus Intake/Exhaust Valves
- GSC S3 Camshafts
- Shimless Buckets
- GSC Dual Cylindrical Valve Springs
- Sound Performance Custom Intake Manifold
- Drive By Wire
- Custom Baffled Catch Can w/ -12 Lines

Turbo System:

- Precision 6766 DBB Turbo
- Treadstone TR1245 Intercooler
- Tig Welded 3.5” Intercooler Piping

Fuel System:

- Flex Fuel Sensor “E85, 93 or Anything Between)
- PTE 1200cc Fuel Injectors
- Squash Performance Dual Hanger w/ Walbro 450 Pumps
- Radium Fuel Rail
- Radium Fiberglass Inline Filter
- Aeromotive Fuel Pressure Regulator
- All Vibrant & Redhorse PTFE Fittings & Lines -8 & -6

Exhaust:

- Fuse Fabrication Exhaust Manifold
- Tig Welded 4” Downpipe w/ 3.5” Straight All The Way Back

Cooling:

- Koyo Polished Radiator w/ Factory Fans

Electronics/Tuning:

- Tuned by Larry at Sound Performance
- IGN1A Coil On Plug
- BTI 7” Digital Screen For Monitoring In Place of Factory Navigation
- 5-Position I Boost Knob (15-29psi)
- ProEFI 128 Standalone
- Tweak’d Engine Harness
- Rolling Anti-Lag

Drivetrain:

- Grannas Racing GR900 T-56 6-Speed Manual Transmission Swap
- Tilton Slave
- Brand New Full Carbon Synchros w/ Bronze Shift Fork Pads (Done by Joel Less Than 3K Miles Ago)
- New McLeod RXT Twin Disc Clutch
- Tremec MTF Fluid
- Factory LSD w/ Consistent Fluid Changes

Suspension:

- Tein Flex Z Coilovers
- Hotchkis Front Sway Bar
- Figs Engineering Bushings w/ Upper & Lower Ball Joints & New Inner & Outer Tie Rods

Brakes:

- Brand New LS400 Front Calipers “Candy Teal Powder”
- Brand New R1 Concept Drilled & Slotted Rotors
- Chase Bays Brake Booster/ABS Delete

Interior:

- Non-Sticky Restored/Painted Dash
- Heated/Power Seats

### Image Gallery

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