Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$391.99
B&M 20485 Torque Converter, Nitrous Holeshot 3800
B&M 20485 Torque Converter, Nitrous Holeshot 3800

B&M 20485 Torque Converter, Nitrous Holeshot 3800

TH350, TH400

0 Reviews | 0 Answered Questions
Factory Shipped
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
B&M 20485 Torque Converter, Nitrous Holeshot 3800
B&M 20485 Torque Converter, Nitrous Holeshot 3800
Zoomed In Image
We estimate this item will ship on or before October 24th.
Part # 20020485
$391.99
each
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
Reviews
Q&A
Videos & Articles

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for B&M Transmission to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

GTIN Code:
019695952952
MFG. Part #:
20485
Anti-Ballooning Plate:
Yes
Mounting Hardware Included:
No
Crank Pilot Diameter:
1.71"
FlexPlate Bolt Circle:
10-3/4", 11-1/2"
Stall Speed:
3500-3800

Info

B&M Nitrous HoleShot 3800 stall for GM 1965 to 1991 TH400, TH425, TH375 and 1968 to 1981 TH350, TH375B (not TH350C.) The Nitrous Holeshot 3800 stall converter is an excellent choice for vehicles with engine modifications, particularly big cams that tend to reduce low end power and torque. The higher stall speed of this converter will launch the car in a higher rpm range where more torque is readily available, resulting in quicker acceleration. Nitrous Holeshot converters feature furnace brazed impeller and turbine, new precision steel alloy pump drive tube, new heavy duty needle bearings between the stator and impeller (not a thrust washer) and needle bearings between the stator and turbine. Other features include dual pattern 10.75 and 11.50 inch drive lugs, a new turbine hub, new springs and rollers in the stator and anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower a nitrous plate system delivers. Stall speed listings are based on engines producing 230lb. ft. of torque at 2,500 rpm. More torque at 2,500 rpm will give you more stall speed, less torque at 2,500 rpm will give you less stall speed than the stall speed ratings indicated.

  • Needle Bearing Between Stator and Turbine
  • Higher Stall Speed, Quicker Acceleration
  • Furnace Brazed Impeller and Turbine
  • Steel Alloy Pump Drive Tube

Installation Instructions (PDF)

Application

Fits vehicles with GM TH400, TH425, TH375 & TH350 Automatic Transmissions
Some parts are not legal for use in California or other states with similar laws/regulations

Reviews

Q & A

Videos

You May Also Like

Suggestions
Error
Note
Ok