1964-1977 A-Body LS Swap Transmission Crossmember TH350 TH400 700R4 4L60e 4L80e 6L80/90 8L90
Our 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 (8lbs)
- 55 1/2" overall length
• Drilling new frame holes may be required on some applications/swaps.
• Additional aluminum shims are available for correcting driveline angle. Each shim will correct 1 degree of angle and is cut out of 1/4" aluminum. Some transmissions might need more shims than others.
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Product Information
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Shipping & Returns

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
Our 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 (8lbs)
- 55 1/2" overall length
• Drilling new frame holes may be required on some applications/swaps.
• Additional aluminum shims are available for correcting driveline angle. Each shim will correct 1 degree of angle and is cut out of 1/4" aluminum. Some transmissions might need more shims than others.
Original: $199.99
-70%$199.99
$60.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Our 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 (8lbs)
- 55 1/2" overall length
• Drilling new frame holes may be required on some applications/swaps.
• Additional aluminum shims are available for correcting driveline angle. Each shim will correct 1 degree of angle and is cut out of 1/4" aluminum. Some transmissions might need more shims than others.



















