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Ultimate IRS 8.8 Rear Differential Swap Kit - Lexus GS300 GS400 $ 989.95 989.95 USD	Mazda FC3S RX7 Aluminum Driveshaft for Magnum-F and 8.8 rear end $ 999.95 999.95 USD	Mazda FC3S RX7 3.25" Carbon Fiber Driveshaft for Magnum-F Conversion and 8.8 rear end $ 1,599.95 1599.95 USD	Ultimate IRS 8.8 Rear Differential Swap Kit - BRZ FRS Toyota 86 $ 989.95 989.95 USD
Ultimate IRS 8.8 Rear Differential Swap Kit - Honda S2K S2000 $ 1,299.95 1299.95 USD	SC300 3.5" Aluminum Driveshaft for Grannas Racing CD009 Conversion and 8.8 Rear $ 899.95 899.95 USD	SC300 3.5" Carbon Fiber Driveshaft for Grannas Racing CD009 Conversion and 8.8 Rear $ 1,599.95 1599.95 USD

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

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

Thunderbird/Cobra Case Hardware Kit

Explorer Case Hardware Kit

No Hardware

With Hardware Kit

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 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 (Junkyard Core)

Grannas Cast Iron (Tbird) with billet main caps. ON BACKORDER UNTIL 4/10/25

I plan to run the Explorer Case

I plan to run the Thunderbird/Cobra Case

3.08 Motive

3.31 Ford Motorsports

3.55 Ford Motorsports

3.73 Ford Motorsports

3.90 Motive

4.10 Ford Motorsports

4.30 Motive

4.56 Motive

4.88 Motive

Use Explorer 1350 Flange from used core

I want a new 1350 Flange (REQUIRED on t-bird case builds)

5x100

5x114

None

Universal "big wide plate" for fabrication

MKIV Supra

Lexus IS300

Lexus SC / GS

Toyota 86 / BRZ / FRS

Honda S2K

Clear Filters

Ultimate IRS 8.8 Rear Differential Swap Kit - Lexus GS300 GS400

Mazda FC3S RX7 Aluminum Driveshaft for Magnum-F and 8.8 rear end

Mazda FC3S RX7 3.25" Carbon Fiber Driveshaft for Magnum-F Conversion and 8.8 rear end

Ultimate IRS 8.8 Rear Differential Swap Kit - BRZ FRS Toyota 86

Ultimate IRS 8.8 Rear Differential Swap Kit - Honda S2K S2000

SC300 3.5" Aluminum Driveshaft for Grannas Racing CD009 Conversion and 8.8 Rear

SC300 3.5" Carbon Fiber Driveshaft for Grannas Racing CD009 Conversion and 8.8 Rear