Shop | Grannas Racing

Ultimate IRS 8.8 Rear Swap Kit - Toyota Supra MKIV $ 989.95 989.95 USD	2.5" length Load Bolt for Ultimate 8.8 rear cover $ 19.95 19.95 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 $ 749.99 749.99 USD
OS Giken Super Lock LSD - Ford 8.8 $ 1,649.95 1649.95 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 $ 259.95 259.95 USD	Ford Motorsports 8.8" Ring and Pinion Gear 3.73 Ratio $ 259.95 259.95 USD	Ford Motorsports 8.8" Ring and Pinion Gear 3.55 Ratio $ 259.95 259.95 USD	Ford Motorsports 8.8" Ring and Pinion Gear 3.31 Ratio $ 259.95 259.95 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 $ 399.95 399.95 USD	MACHINED FOR IRS - Strange Ford 8.8" Lightweight Spool 31 spline $ 399.95 399.95 USD	Explorer 8.8 differential - Polyurethane Front Mount bushing $ 59.95 59.95 USD	Explorer 8.8 differential - Rubber Front Mount bushing $ 59.95 59.95 USD

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Newest Arrivals

Price - Low to High

Price - High to Low

Thunderbird/Cobra Case Hardware Kit

Explorer Case Hardware Kit

No Hardware

With Hardware Kit

I do not need inner axle stubs

Explorer Case Stubs

Thunderbird/Cobra/MK8 Case Stubs

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 MAY 2027

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 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

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 XL to stock rear

Carbon Fiber Magnum XL to 8.8 rear

Carbon Fiber Stock Manual trans to 8.8 rear

Carbon Fiber Stock Auto trans to 8.8 rear