1964-1977 A-Body LS Swap Transmission Crossmember TH350 TH400 700R4 4L60e 4L80e 6L80/90 8L90

1964-1977 A-Body LS Swap Transmission Crossmember TH350 TH400 700R4 4L60e 4L80e 6L80/90 8L90

Marsoni

M251S

$199.99

Get it in 3 business days with 1 day shipping. Friday, May 29

1964-1977 A-Body LS Swap Transmission Crossmember TH350 TH400 700R4 4L60e 4L80e 6L80/90 8L90Our crossmember is designed off of ICT Billet's LS motor mount plates set in the furthest back location, and works with a variety of transmissions. Fits 1964 1977 A Body Vehicles (Stock, LS, or LT Swap) Heavy Duty Mild Steel Construction Made in the USA Works with Factory 350, 400, 700R4 Transmissions Works with 4L60E, 4L80E, 6L80 90, 8L90 Transmissions Swap Adjustable up to 3" 1. 25" x . 120 Wall Additional Chassis Clearance Light Weight Construction

Easy Shipping

Quick Dispatch:

Your 1964-1977 A-Body LS Swap Transmission Crossmember TH350 TH400 700R4 4L60e 4L80e 6L80/90 8L90 orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your 1964-1977 A-Body LS Swap Transmission Crossmember TH350 TH400 700R4 4L60e 4L80e 6L80/90 8L90 ships.

Need Help?
Questions about 1964-1977 A-Body LS Swap Transmission Crossmember TH350 TH400 700R4 4L60e 4L80e 6L80/90 8L90, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for 1964-1977 A-Body LS Swap Transmission Crossmember TH350 TH400 700R4 4L60e 4L80e 6L80/90 8L90 in your area.

Get Shipping Estimates

Country Zip/Postal Code

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

As for sizing, make sure you buy a size up because it runs kinda small, (you’ll thank me!). Quality is good, but the best feature-it has a dress collar polo with some color around the neck and buttons, which gives it a clean and classy look, (which I’m a fan of), the comfort of the polo is about average. I absolutely recommend!

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 28, 2026

Verified Purchase

xavier s gamble

Fort Morgan, US

★★★★★ 5

Good shirt

Color: A-dark Red, Size: 3X-Large

3xl fits like a 2xl almost, good fabric fits well

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 9, 2026

Verified Purchase

Holland

Lake Worth, US

★★★★★ 4

Nice shirt

Color: A-royal Blue, Size: X-Large

This is a decent shirt. It feels nice against the skin and fits like it should. It feels a little cheap, but that could be because it’s thin. Kept me comfortable in Florida heat and humidity!

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 30, 2026

Verified Purchase

Karl S

Grantham, US

★★★★★ 5

Can't go wrong with this ... Great product.

Color: A-pink, Size: XX-Large

Perfect fit, looked exactly how pictured, wonderful thin material for the heat and arrived on time. Great product and seller. Definitely worth the money.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on March 28, 2026

Verified Purchase

K Wallace

Chelsea, US

★★★★★ 5

Perfect On and Off the course. Lots of great colors.

Color: A-light Blue, Size: XX-Large

Perfect. Stiffer collar looks nice on and off the course.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 1, 2026