TH350

Simple yet strong

We have an excellent track record with our TH350’s. Deep into the 10’s without failure, they have proven to be a very tough unit for a reasonable price. We feel they are a very good choice in cars up to 600 HP/TQ but capable of up to 800 HP/TQ especially in lighter cars. The limiting factor is the stock planetaries. There are aftermarket planets available to make them live at even higher power levels but we usually recommend a TH400 for a dedicated 600+ HP application. Our goal is to provide long term reliabilty. Our base model TH350 has lived at over 600 HP reliably.

As with all Jake’s Performance transmissions they include all new friction clutches, bands, steel plates, soft parts, filter, modulator (if applicable), as well as hydraulic upgrades, and other modifications depending on power level. All TH350 transmissions include a new pan.

Stage 1Rockcrawler Stage 1Stage 2Stage 3

Stage 1 TH350 – 500+ HP/TQ

Stage 1 TH350 is reliable to over 500 HP/TQ. It’s a very tough unit. It has several key modifications that increase it’s strength. Increased line pressure and lube flow. Additional bushing area, close attention to bushing clearance, blueprinted pump assembly, select cores used, and other areas that our experience has shown other shops and builders are not paying attention to.

Price Build # Build Description
$1500 TH350-1A Auto shift
$1850 TH350-RMVBTB Reverse Manual Valvebody with Transbrake

Rockcrawler TH350 – Stage 1 for rock-crawling & off-road use

This is our Stage 1 TH350 build with a heavy duty K case core and using a reverse manual valve body with engine braking for rock-crawling or off-road use.

Price Build # Build Description
$2000 TH350-RCA Rockcrawler build
$2350 TH350-RCRMVBTB Reverse Manual Valve Body with a Transbrake

Stage 2 TH350 – 750 HP/TQ capable

Our Stage 2 TH350 includes all the features of the Street model plus a 36 element sprag and drum upgrade, special retaining ring on the sprag, and a deep aluminum pan standard. 750 HP/TQ capable.

Price Build # Build Description
$2000 TH350-2A Auto shift
$2350 TH350-2RMVBTB Reverse Manual Valvebody with Transbrake

Stage 3 TH350 – 800 HP/TQ

Stage 3 TH350 will add a billet 300M input shaft making it good for 800 HP. Typically at this power level we recommend a TH400. Please let us help you with selecting the unit that best suits your needs.

Price Build # Build Description
$2250 TH350-3A Auto shift
$2600 TH350-3RMVBTB Reverse Manual Valvebody with Transbrake

Upgrades are available. 4340 or 300M input shafts, fully rollerized with lightweight parts for competition applications, low gearsets for heavy cars or truck applications. Call for additional quoting.

Shipping is $200 within the continental United States.