Hard Parts

TH350 HD Input Shaft and Drum (Non-Lockup)

TH350 HD Input Shaft and Drum (Non-Lockup) This 2nd Generation Drum & Input Shaft is designed for OFF-ROAD RACING and EXTREME DUTY applications. Input shaft is made from 300M steel. Drum is made from 4140 HTSR steel. Weighs 6.79 lbs. versus 8.23 lbs...

TH350 Input Drum w/ Shaft (1979-1984) Lockup

TH350 Input Drum w/ Shaft (1979-1984) Lockup

TH350 Forward Clutch Retainer Spring

TH350 Forward Clutch Retainer Spring Good used  

TH350 Intermediate Sprag Outer Race

TH350 Intermediate Sprag Outer Race Good Used  

TH350 Rear Planet Ring Gear | Washer Style

Used TH350 transmission washer style ring gear.  

TH350 Vega Style Sunshell

TH350 Vega Style Performance Sunshell w/ Drilled Holes

TH350 Intermediate Sprag (1969-1986)

This is a high quality replacement aftermarket intermediate sprag for GM's Turbo 350 transmissions manufactured from 1969 to 1986.

TH350 Intermediate Overrun Clutch Outer Race - Sonnax HD

A revolutionary upgrade for GM TH350 and TH350C performance vehicles, Sonnax heavy duty intermediate overrun clutch outer race 35723HD-02 delivers twice the torque capacity of any OE or other aftermarket race for unrivaled reliability at any power level...

TH350 4L60E 700R4 4L60E Case Saver (1-Piece)

TH350, 4L60E, 700R4, 4L65E, 4L70E, TH200 transmission 1-piece case saver good for 1969 and up model years.

TH350 Oil Pan (1969-1986) USED OEM

If you're looking for an OEM TH350 oil pan then look no further.  There is limited supply on these pans so they check back frequently if its out of stock.  These pans have been reclaimed from core transmissions that have had decades of service...

TH350 Lock-Up Valve Body Separator Plate - OEM (1980-1986)

GM OEM Turbo 350 valve body separator plate for lock-up transmissions.  All our OEM hard parts have been cleaned and inspcted to ensure that is 100% ready for your rebuild.  

TH350 Front Planet Ring Gear (1969-1968) 2-Piece

This is a good used TH350 transmission front planet 2-piece ring gear for 1969 and up model transmissions.  All of our used OEM Turbo 350 front planet ring gears have been cleaned and inspected to ensure they are ready to use in your rebuild.

TH350 Direct Clutch Drum w/ Sprag

This is a good used transmission TH350 direct clutch drum with sprag.  

TH350 Output Shaft 2WD - Size C

This is a good used Turbo 350 output shaft for 2-wheel drive vehicles.  Size C

TH350 Output Shaft 2WD 18.5" Total Length

This is a good used Turbo 350 output shaft for 2-wheel drive vehicles 18.5" total length.

TH350 Output Shaft 2WD - Size A

This is a good used Turbo 350 output shaft for 2-wheel drive vehicles.  Size A

TH350 Rear Planet Ring Gear - Washer Style (1969-1986)

This is a used good Turbo 350 transmission WASHER style rear planet ring gear.  All of our used TH350 hard parts have been cleaned and inspected to ensure it is ready to use in your rebuild.

Low-Reverse Roller Sprag TH350 (1969-1986) 700R4 (1982-1985) 4T60E (1991-1995)

This is a new aftermarket low-reverse 16-roller clutch sprag for GM's TH350/TH350C/TH250/TH250C automatic transmissions manufactured from 1969 to 1986.

TH350 Upgraded HD Intermediate Sprag Outer Race

This is a new heavy duty upgraded intermediate sprag outer race for GM's Turbo 350 and 350C automatic transmissions manufactured from 1969 to 1986.

TH350 1-2 Accumulator Assembly