Shop | Grannas Racing

Nissan S14 240sx with Mazworx 8.8 IRS Conversion / 1000hp Rated Axle set (uses Z32 wheel hubs) $ 2,299.95 2299.9500000000003 USD	Ultimate IRS 8.8 Rear Differential Swap Kit - MKIV Supra $ 989.95 989.95 USD	Ultimate 8.8 Swap Differential Cover for Ford IRS rear (kit with hardware) $ 299.95 299.95 USD	Eaton Detroit Truetrac Ford 8.8" - 31 Spline Limited Slip Differential for Mustang Cobra, Explorer, Thunderbird $ 699.95 699.95 USD
OS Giken Super Lock LSD - Ford 8.8 $ 1,649.95 1649.95 USD	OS Giken TY031-HA Super Lock LSD - Toyota 200mm A-Series MKIV Supra SC300 GS300 $ 1,519.95 1519.95 USD	Grannas Built Ford 8.8" IRS Differential $ 1,099.95 1099.95 USD	Explorer 8.8 - Rebuild Parts Kit - bearings, seals, crush sleeve, ring gear bolts $ 249.95 249.95000000000002 USD
Thunderbird/Cobra 8.8 - Rebuild Parts Kit - bearings, seals, crush sleeve, ring gear bolts $ 249.95 249.95000000000002 USD	Ford Motorsports 8.8" Ring and Pinion Gear 4.10 Ratio $ 239.95 239.95000000000002 USD	Ford Motorsports 8.8" Ring and Pinion Gear 3.73 Ratio $ 239.95 239.95000000000002 USD	Ford Motorsports 8.8" Ring and Pinion Gear 3.55 Ratio $ 239.95 239.95000000000002 USD
Ford Motorsports 8.8" Ring and Pinion Gear 3.31 Ratio $ 239.95 239.95000000000002 USD	Motive Performance 8.8" Ring and Pinion Gear 4.30 Ratio $ 329.95 329.95 USD	Motive Performance 8.8" Ring and Pinion Gear 3.90 Ratio $ 329.95 329.95 USD	Motive Performance 8.8" Ring and Pinion Gear 4.56 Ratio $ 329.95 329.95 USD
Motive Performance 8.8" Ring and Pinion Gear 4.88 Ratio $ 329.95 329.95 USD	Motive Performance 8.8" Ring and Pinion Gear 3.08 Ratio $ 329.95 329.95 USD	MACHINED FOR IRS - Strange Ford 8.8" Lightweight Spool $ 399.95 399.95 USD	Strange Ford 8.8" Lightweight Spool (for solid axle) $ 197.95 197.95000000000002 USD

Thunderbird/Cobra Case Hardware Kit

Explorer Case Hardware Kit

No Hardware

With Hardware Kit

No Driveshaft

Aluminum Magnum-F to OEM rear

Aluminum Magnum-F to Ford 8.8" IRS

Carbon Fiber Magnum-F to OEM rear

Carbon Fiber Magnum-F to Ford 8.8" IRS

Aluminum Auto / A340E to Ford 8.8" IRS

Carbon Fiber Auto / A340E to Ford 8.8" IRS

I do not need axles

LEVEL5 Direct Fit (bolt-in)

PRO Level with 5x100 upgraded billet wheel hubs

PRO Level with upgraded billet wheel hubs

PRO Level with 5x114 upgraded billet wheel hubs

Direct Fit Level5 IS300

DSS 1000HP rated axles with 31 spline outer stubs (uses z32 or q45 hubs)

PRO Level FD3S RX7 with billet wheel hubs

I do not need inner axle stubs

Explorer Case

Thunderbird/Cobra/MK8 Case

9" 35 Spline (s-trac LSD)

9" 35 Spline (strange spool)

9" 35 Spline (wavetrac LSD)

I do not need a built 8.8 differential

I do not need a differential

Detroit Truetrac Mechanical LSD

OS Giken Clutch Type LSD

Grannas Racing IRS Machined Spool

I will provide an Explorer core to Grannas Racing

I will provide a Tbird/Cobra core to Grannas Racing

Grannas to source Explorer case (Junkyard Core)

Grannas to source Tbird case (Junkyard Core)

Grannas Cast Iron (Tbird) with billet main caps. ON BACKORDER UNTIL JAN 2026

I plan to run the Explorer Case

I plan to run the Thunderbird/Cobra Case

Spool (race use)

S-Trac LSD

No Driveshaft

Aluminum Magnum-F to OEM rear

Aluminum Magnum-F to Ford 8.8" IRS

Carbon Fiber Magnum-F to OEM rear

Carbon Fiber Magnum-F to Ford 8.8" IRS

Aluminum 2JZ, Magnum-F, 8.8" Rear

Carbon Fiber 2JZ, Magnum-F, 8.8" Rear

Aluminum Honda K-Series, Magnum-F, 8.8" Rear

Carbon Fiber Honda K-Series, Magnum-F, 8.8" Rear

No Driveshaft

Aluminum Magnum-F to OEM rear

Aluminum Magnum-F to Ford 8.8" IRS

Carbon Fiber Magnum-F to OEM rear

Carbon Fiber Magnum-F to Ford 8.8" IRS

Aluminum A340E to Ford 8.8" IRS

Carbon Fiber A340E to Ford 8.8" IRS

No Center Section

Strange Spool (race)

S-Trac LSD (street / strip)

None

Universal "big wide plate" for fabrication

MKIV Supra

Lexus IS300

Lexus SC / GS

Toyota 86 / BRZ / FRS

Honda S2K

No Driveshaft

Carbon Fiber Magnum-F to stock rear

Carbon Fiber Magnum-F to 8.8 rear

Carbon Fiber Stock Manual trans to 8.8 rear

Carbon Fiber Stock Auto trans to 8.8 rear

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DIFFERENTIAL