Tremec

T56 6-Speed Manual Transmission

$4,653.99

SKU: 91029037

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Tremec 91029037 is a 6-speed manual transmission designed for 1985 and older Small Block Chevy (SBC) engines, offering enhanced performance and driveline capabilities. This T56 transmission boasts a robust construction capable of handling up to 700 lb-ft of torque, making it suitable for high-performance applications. It includes a hydraulic clutch setup for smooth engagement and is part of an overdrive package, providing a balance between performance and everyday drivability. The 91029037 is specifically engineered to fit 1985 and older SBC applications, providing a direct upgrade path for vintage vehicles. It is also mentioned in the context of 98+ Gen III GM LS engines, suggesting potential adaptability with appropriate kits. Key specifications include its 6-speed configuration and a torque capacity of 700 ft-lbs, ensuring durability and reliability under demanding conditions.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTremec
Part Number91029037
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy