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Summit Racing™ Dual-Exhaust Transmission Crossmembers

4.68 out of 5 stars 586 Customer Reviews

Summit Racing™ steel transmission crossmembers allow you to run a true dual-exhaust system with most popular GM transmissions. They have a patented double-hump design, so you don't have to compromise ground clearance by running pipes under the crossmember, and they're a complete bolt-on deal—no custom fabricating or realignment is needed. The parts are made from 1/8 in. thick boxed tubing to handle the frame-twisting power of big blocks. Order the crossmember recommended for your vehicle and transmission application.

Results 1 - 10 of 10

Crossmember, Transmission, Steel, Black, GM, 4L60E 700R4, 200-4R, TH350, Powerglide, Each

Part Number: SUM-770309

4.78 out of 5 stars ( 40 )

Estimated Ship Date: Tomorrow

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Crossmember, Transmission, Steel, Black, GM, 700R4/T-5/4L60, Each

Part Number: SUM-770301

4.74 out of 5 stars ( 47 )

Estimated Ship Date: Tomorrow

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Crossmember, Transmission, Steel, Black, GM, 700R4/4L60/4L60E, Each

Part Number: SUM-770312

4.35 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Crossmember, Transmission, Steel, Black, GM, 700R4/4L60/4L60E, Each

Part Number: SUM-770318

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Crossmember, Transmission, Steel, Black, GM, 700R4/4L60/4L60E, Each

Part Number: SUM-770315

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Transmission Crossmember, Steel, Chevy, B-Body, 700R4, 4L60E, Each

Part Number: SUM-770372

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Transmission Crossmembers, Steel, Black Powdercoated, Chevy, GMC, Each

Part Number: SUM-770288

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Transmission Crossmember, Steel, Black Powdercoated, Chevy, GMC, Each

Part Number: SUM-770545

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

Transmission Crossmember, Steel, Black Powdercoated, Chevy, GMC, Each

Part Number: SUM-770544

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

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