Performance Transmission & Drivetrain at Summit Racing

Sonnax TCC Regulator and Isolator Valve Kits 77754-04K

TCC Regulator, Isolator Valve, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77754-04K

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Automatic Transmission Pressure Regulator Valve Kits 77754-35K

FORWARD/REVERSE ABUSE VALVE

Part Number: SOX-7775435K

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax TCC Regulator and Isolator Valve Kits 34994-01K

TCC Regulator and Isolator Valve Kits, 4L80E, 4L85E, Kit

Part Number: SOX-34994-01K

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Pressure Regulator Valves 6L8-VL-PR3

Specialty Components, 6L45, 6L50, 6L80, 6L90 Drop-in Pressure Regulator Valve Repair Kit

Part Number: TRG-6L8-VL-PR3

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Lube Regulated Pressure Regulator Valves 77917-07

Lube Regulated Pressure Regulator Valve, Oversized, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-77917-07

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Lube Regulated Pressure Regulator Valves 34910-03K

Pressure Regulator Valve, PTFE O-Ring, TH400, TH425, Each

Part Number: SOX-34910-03K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Pressure Regulator and Shuttle Valve Kits 154740-02K

REG SHUTTLE VALVE KIT

Part Number: SOX-154740-02K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Compensator Feed Regulator Valve Kits 104740-09K

VALVE KIT

Part Number: SOX-104740-09K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Oversized Pressure Regulator Reamer Tools 4L60E-PR-TK

Specialty Components, 4L60E, 4L65E, 4L70E Reamer/Guide for Oversize Pressure Regulator Valve

Part Number: TRG-4L60E-PR-TK

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Lube Regulated Pressure Regulator Valves 22771A-02K

Automatic Transmission Rebuild Components, Pressure Regulator Valve, Lube Regulated, Mopar, 32RH, 42RE, 42RH, 44RE, 44RH, 46RE, 46RH, 47RH, 48RE, Each

Part Number: SOX-22771A-02K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Pressure Regulator Valves 4L60E-PR

Specialty Components, 4L60E, 4L65E, 4L70E Drop-in Pressure Regulator Valve

Part Number: TRG-4L60E-PR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Oversized S4 Regulator Valves 8L90-S4LATE-OS

GM 8L90: Late S4 Valve (Oversized)

Part Number: TRG-8L90S4LATEOS

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Oversized Torque Converter Regulator Valve Reamers RFE-TCCREG-TK

Specialty Components, 45-68RFE Reamer for Oversize Converter Regulator Valve

Part Number: TRG-RFETCCREGTK

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Oversized Pressure Regulator Valves 6L80-PR-OS

GM 6L45-90E: PR Valve (Oversized)

Part Number: TRG-6L80-PR-OS

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Automatic Transmission Pressure Regulator Valve Kits 76948-09

PRESSURE REGULATOR VALVE

Part Number: SOX-76948-09

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Compensator Feed Regulator Valve Kits 6L80-CFR

GM 6L45-90E: Compensator Feed Regulator Valve

Part Number: TRG-6L80-CFR

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax TCC Regulator and Isolator Valve Kits 36941-01K

VALVE KIT BOOST CLICKER TYPE

Part Number: SOX-36941-01K

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Sonnax TCC Regulator and Isolator Valve Kits 104740-07K

REGULATOR VALVE KIT

Part Number: SOX-104740-07K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Lube Regulated Pressure Regulator Valves 44912-17K

Automatic Transmission Rebuild Components, VALVE, LUBE REG PRESS REG, 45RFE/545RFE/65RFE/66RFE/68RFE

Part Number: SOX-44912-17K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Converter Regulator Valves for 2019-2026 2500, 3500 - RFE-TCCREG-OS19

All RFE: TCC Regulator Valve (Oversized) 2019-On

Part Number: TRG-S0009

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Pressure Regulator Valve Kits 104520-15K

Valve Body Replacement Component, Pressure Regulator Valve, 6L45/6L50/6L80/6L90, Kit

Part Number: SOX-104520-15K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax TCC Regulator and Isolator Valve Kits 44912-11K

Automatic Transmission Rebuild Components, TCC Regulator Valve Kit, with Valve, Spring Retainer, Chrysler, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE, Each

Part Number: SOX-44912-11K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Sonnax Automatic Transmission Pressure Regulator Valve Kits 44912-03K

Automatic Transmission Rebuild Components, VALVE KIT, TC LIMIT, 45RFE/545RFE/65RFE/66RFE/68RFE

Part Number: SOX-44912-03K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

TransGo Automatic Transmission Pressure Regulator Valves 4T40E-PR5

Specialty Components, 4T40E Pressure Regulator Valve and Bore Repair Refill Kit (tool not included)

Part Number: TRG-4T40E-PR5

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Sonnax TCC Regulator and Isolator Valve Kits 5R55WS-LB1

LINE PRESSURE BOOSTER KIT

Part Number: SOX-5R55WS-LB1

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Performance & Replacement Transmission & Drivetrain Parts