Transmission Specialties Big Shot XHD Torque Converter 10000LSXHD for GM TH350/TH400

Upgrade your GM automatic transmission with the Transmission Specialties Big Shot XHD torque converter, part number 10000LSXHD. Designed for TH350 and TH400 applications, this performance converter features a 10-inch diameter and a 2,900–3,300 RPM stall range to support responsive launches, improved acceleration, and dependable power transfer in performance street and race vehicles. Its Big Shot XHD design is engineered for demanding applications where consistent engagement and durability are important.
The converter uses compatible 10.750-inch and 11.500-inch bolt circles, helping provide application flexibility for qualifying GM TH350 and TH400 transmission setups. The controlled stall range is suited to engines that benefit from increased launch RPM without sacrificing practical drivability. Always verify transmission compatibility, flexplate configuration, bolt-circle requirements, and vehicle application details before installation.
Transmission Specialties builds the 10000LSXHD for enthusiasts and professionals seeking a performance-focused torque converter backed by precise application fitment. This unit is supplied individually and is intended for installation with the appropriate transmission, flexplate, and supporting components. Follow professional installation procedures and the transmission manufacturer’s recommendations to help ensure proper operation and long service life.

Features:

• Brand: Transmission Specialties

• Part Number: 10000LSXHD

• Application: GM TH350 and TH400 automatic transmissions

• Series: Big Shot XHD

• Converter Diameter: 10 inches

• Stall Speed: 2,900–3,300 RPM

• Bolt Circle: 10.750 inches and 11.500 inches

• Quantity: Each