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Transmission Specialties

Transmission Specialties Lock-Up Street/Strip Torque Converters

5.0 out of 5 stars 1 Customer Reviews

Transmission Specialties lock-up Street/Strip torque converters offer exceptional durability in all applications. Many feature a billet front cover, as well as furn
Transmission Specialties lock-up Street/Strip torque converters offer exceptional durability in all applications. Many feature a billet front cover, as well as furnaced- and Heli-brazed fins for added strength. No other lock-up converter offers this strength and durability at a similar price point. Select the Transmission Specialties lock-up Street/Strip torque converter best suited for your application.

More product features, items, and specifications may include (model dependent):

* New billet turbine splines
* Computer balanced
* Pressure leak tested
* Three new Torrington bearings
* XHD billet oversized
Transmission Specialties lock-up Street/Strip torque converters offer exceptional durability in all applications. Many feature a billet front cover, as well as furnaced- and Heli-brazed fins for added strength. No other lock-up converter offers this strength and durability at a similar price point. Select the Transmission Specialties lock-up Street/Strip torque converter best suited for your application.

More product features, items, and specifications may include (model dependent):

* New billet turbine splines
* Computer balanced
* Pressure leak tested
* Three new Torrington bearings
* XHD billet oversized lockup
* XHD billet front cover

Results 1 - 24 of 24

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10090LS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10090LS

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10090LS

Torque Converter, Lockup, Balanced, Billet Cover and Piston, 4L80E, LS1, Each

Part Number: TOS-10090LS

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10091LS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10091LS

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10091LS

Torque Converter, Lockup, Balanced, Billet Cover and Piston,10 in., 4L80E, GM, Small Block Chevy, Each

Part Number: TOS-10091LS

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10090XLS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10090XLS

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10090XLS

10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN--2500-2900 RPMS

Part Number: TOS-10090XLS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10090MS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10090MS

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10090MS

10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN--3300-3700 RPMS

Part Number: TOS-10090MS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,500-2,800 Stall Torque Converter 10091XLS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,500-2,800 Stall Torque Converter 10091XLS

Transmission Specialties Lock-Up Street/Strip 2,500-2,800 Stall Torque Converter 10091XLS

10" 4L80E BILLET COVER AND PISTON FOR 4L80E MOTOR-2500-2900 RPMS

Part Number: TOS-10091XLS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10090XHS

Made in the USA Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10090XHS

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10090XHS

10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN--4100-4500 RPMS

Part Number: TOS-10090XHS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10080LS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10080LS

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10080LS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS--2900-3300 RPMS

Part Number: TOS-10080LS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10080XLS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10080XLS

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10080XLS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS--2500-2900rpms

Part Number: TOS-10080XLS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10051HS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10051HS

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10051HS

10" 4L60/700R4 BILLETCOVER AND L/U PLATE-LOCK UP PISTON-3700-4100 RPMS

Part Number: TOS-10051HS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10091MS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10091MS

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10091MS

10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN-FOR NON LSI MOTOR-3300-3700RPMS

Part Number: TOS-10091MS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10080XHS

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10080XHS

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10080XHS

GM 6L80 TORQUE CONVERTER

Part Number: TOS-10080XHS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10051XHS

Made in the USA Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10051XHS

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10051XHS

10" 4L60/700R4 BILLETCOVER AND L/U PLATE-LOCK UP PISTON-3800-4100 RPMS

Part Number: TOS-10051XHS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10051XLS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10051XLS

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10051XLS

10" 4L60/700R4 BILLETCOVER AND L/U PLATE-LOCK UP PISTON-2500-2900 RPMS

Part Number: TOS-10051XLS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10070HS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10070HS

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10070HS

10"4L60E LSI BILLET COVER AND L/U PISTON--3700-4100 RPMS

Part Number: TOS-10070HS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10070XLS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10070XLS

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10070XLS

10"4L60E LSI BILLET COVER AND L/U PISTON--2500-2900 RPMS

Part Number: TOS-10070XLS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10080HS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10080HS

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10080HS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS--3700-4100 RPMS

Part Number: TOS-10080HS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10090HS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10090HS

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10090HS

10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN--3700-4,100 RPMS

Part Number: TOS-10090HS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10051LS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10051LS

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10051LS

10" 4L60/700R4 BILLETCOVER AND L/U PLATE-LOCK UP PISTON-2900-3300 RPMS

Part Number: TOS-10051LS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10070LS

Made in the USA Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10070LS

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10070LS

10"4L60E LSI BILLET COVER AND L/U PISTON--2900-3300 RPMS

Part Number: TOS-10070LS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10070MS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10070MS

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10070MS

10"4L60E LSI BILLET COVER AND L/U PISTON--3300-3700 RPMS

Part Number: TOS-10070MS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10080MS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10080MS

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10080MS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS--3300-3700 RPMS

Part Number: TOS-10080MS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10091HS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10091HS

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10091HS

10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN-FOR NON LSI MOTOR-3700-4100 RPMS

Part Number: TOS-10091HS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10051MS

Made in the USA Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10051MS

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10051MS

10" 4L60/700R4 BILLETCOVER AND L/U PLATE-LOCK UP PISTON-3300-3700 RPMS

Part Number: TOS-10051MS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10070XHS

Made in the USA Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10070XHS

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10070XHS

10"4L60E LSI BILLET COVER AND L/U PISTON--4100-4500 RPMS

Part Number: TOS-10070XHS

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

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