Automatic Transmission Shift Kits

Specialty Components, 8L45, 8L90 VB Pulse Dampeners Accumulators (tool not included)

Part Number: TRG-8L90-PDP-OS

Not Yet Reviewed

Estimated Ship Date: Today

Specialty Components, Solenoid Switch Valve Refill Kit (.453 Diameter Only) Does not include tools.

Part Number: TRG-RFE-SV453-NT

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Shift Kits, Shift Zip Kit, with Clutch Valves, Accumulator Pistons, Spring, Sleeves, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90SHIF

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks

Specialty Components, 45-68RFE TCC Accumulator Piston and Sleeve Kit

Part Number: TRG-RFETCCACCUM

Not Yet Reviewed

Estimated Ship Date: Today

ZIPPER KIT

Part Number: SOX-AODE4R75EZIP

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Shift Kit, Automatic Type, Chrysler, Street, Full Race, Each

Part Number: TRG-TFOD-HD2

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

Shift Kit, Full Manual, Chrysler, Torqueflite, Instant Full Race, Each

Part Number: TRG-TF-3

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Shift Kit, Automatic Type, Ford 1965-66, C-4, Towing, Competition, Heavy Duty, Each

Part Number: TRG-45-01

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Today

Shift Kit, Zip Kit, ZF6HP-21, ZF6HP-28, ZF6HP-34, Kit

Part Number: SOX-ZF6-GEN2-ZIP

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH350, 1969-81, Kit

Part Number: TRG-350-3

4.47 out of 5 stars ( 17 )

Estimated Ship Date: Today

• Free Shipping

Shift Improver Performance Pack, 4R100, Ford, Kit

Part Number: SOX-HP-4R100-01

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Transmission Upgrade Kit, Transpak, Ford, AOD, Each

Part Number: BMM-40227

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Shift Kits, Shift Improver, E4OD, 4R100, Sold as a Kit

Part Number: SOX-E4OD4R100ZIP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Transmission Upgrade Kit, Trans-Scat, Buick, Chevy, GMC, Oldsmobile, Pontiac, 700R4, Each

Part Number: TCI-376000

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Shift Set, Performance, with EPC Boost Pressure Relief Valve System, for 4L80E, 4L85E, Kit

Part Number: TRG-SK4L80E

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Shift Kit, Full Manual or Automatic Type, GM, Powerglide, Competition, Street, Each

Part Number: TRG-PG-2S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Transmission Upgrade Kit, Shift Improver, Ford, C-6, Each

Part Number: BMM-40262

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

Reprogramming Kit, Auto, Dodge, Jeep, Chrysler, Kit

Part Number: TRG-RFE-7B-HP

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Transmission Upgrade Kit, Transpak, GM, 700R4, 4L60, Each

Part Number: BMM-70235

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

Shift Kit, Zip Kit, 6R80, 6R100, Kit

Part Number: SOX-6R80L6R100ZI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Shift Kits, Valve Body Repair, AOD, Kit

Part Number: TRG-SKAOD

Not Yet Reviewed

Estimated Ship Date: Today

Shift Kit, Transpak, Chrysler, 727, A-904, Each

Part Number: BMM-10228

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Shift Kits, Valve Body Repair, AODE, 4R70E, 4R70W, 4R75E, 4R75W, Kit

Part Number: TRG-SKAODE

Not Yet Reviewed

Estimated Ship Date: Today

Valve Body Repair, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, TH250, TH250C, TH350, TH350C, Kit

Part Number: TRG-SK350

Not Yet Reviewed

Estimated Ship Date: Today

Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH350C, 1981-91, Kit

Part Number: TRG-350C-1-2

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today