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Summit Racing

Summit Racing™ Lightweight Transmission Crossmembers

4.85 out of 5 stars 13 Customer Reviews

Strengthen your transmission support and reduce the weight of your vehicle with Summit Racing™ lightweight transmission crossmembers. Through advanced design and ma
Strengthen your transmission support and reduce the weight of your vehicle with Summit Racing™ lightweight transmission crossmembers. Through advanced design and manufacturing, these crossmembers are stronger than standard boxed-steel transmission crossmembers, while weighing an average of 35-percent less. The crossmembers are a direct bolt-in and do not require any additional brackets or adapters to complete the installation. They also allow you to run a true dual-exhaust system with most popular GM transmissions and do not affect ground clearance. The welded design with clear powdercoat finish gives these lightweig
Strengthen your transmission support and reduce the weight of your vehicle with Summit Racing™ lightweight transmission crossmembers. Through advanced design and manufacturing, these crossmembers are stronger than standard boxed-steel transmission crossmembers, while weighing an average of 35-percent less. The crossmembers are a direct bolt-in and do not require any additional brackets or adapters to complete the installation. They also allow you to run a true dual-exhaust system with most popular GM transmissions and do not affect ground clearance. The welded design with clear powdercoat finish gives these lightweight crossmembers a fabricated look that's sure to complement your ride. Order the model recommended fit your application.

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Summit Racing™ Lightweight Transmission Crossmembers SUM-770520

Made in the USA Summit Racing™ Lightweight Transmission Crossmembers SUM-770520

Summit Racing™ Lightweight Transmission Crossmembers SUM-770520

Transmission Crossmember, Lightweight, Steel, Black Powdercoated, A-Body, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: SUM-770520

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Lightweight Transmission Crossmembers SUM-770390

Made in the USA Summit Racing™ Lightweight Transmission Crossmembers SUM-770390

Summit Racing™ Lightweight Transmission Crossmembers SUM-770390

Crossmember, Transmission, Lightweight, Steel, GM, 79-88 G-Body using, TH200,TH350, and Powerglide or Muncie,Saginaw, BW-T10, Each

Part Number: SUM-770390

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Lightweight Transmission Crossmembers SUM-770398

Made in the USA Summit Racing™ Lightweight Transmission Crossmembers SUM-770398

Summit Racing™ Lightweight Transmission Crossmembers SUM-770398

Crossmember, Transmission, Lightweight, Steel, GM, 65-72 Chevelle, Cutlass, GTO, 700R4, 200-4R, TH350, TH400, Powerglide, Each

Part Number: SUM-770398

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Lightweight Transmission Crossmembers SUM-770558

Made in the USA Summit Racing™ Lightweight Transmission Crossmembers SUM-770558

Summit Racing™ Lightweight Transmission Crossmembers SUM-770558

Transmission Crossmember, Lightweight, Steel, Black Powdercoated, G-Body, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SUM-770558

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

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