B&M 20484 B&M Nitrous Holeshot 3500 Torque Converter, 1965-91 GM TH400, TH425...

Description

B&M 20484 B&M Nitrous Holeshot 3500 Torque Converter, 1965-91 GM TH400, TH425...
Product  Specifications
Part Number
20484
Anti-Balloon Plate
Yes
Automotive Item Grade
High Performance
Lockup Type
No
Crank Pilot Diameter (in)
1.71
Additional Contents
New needle bearings
Emission Code
5
Material
Steel
Torque Converter Series
Nitrous Holeshot
Anti Balloon Plate
Yes
FlexPlate Bolt Circle
10-3/4", 11-1/2"
Transmission Model
TH400, TH425, TH375, TH350
Flexplate Change Needed
No
Furnace Brazed
Yes
Mounting Studs
No
Bolt Circle Diameter (in)
10.75
Stall Speed
3200-3500
Lockup
No
California Proposition 65 Required
No
Product Summary
10-inch diameter, 10.75 & 11.50-inch bolt circle, 3200-3500 RPM stall
Product Description
B&M Nitrous HoleShot 3500 stall for GM 1965-91 TH400, TH425, TH375 and 1968-81 TH350, TH375B (not TH350C.) The Nitrous Holeshot 3500 stall converter are an excellent choice for vehicles with many 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 bolt circle, 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 that 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. These are serious converters for serious performance street cars. To prevent contamination left from worn parts being circulated in your new components causing premature wear, we strongly recommend protecting your investment by adding a B&M transmission cooler with all new transmission installations. Listed converters are NOT to be used in trans-brake applications. Not for use in trans-brake applications.
Needle Bearing Between Stator and Turbine
Higher Stall Speed, Quicker Acceleration
Anti-balloon Plate for Added Strength
Furnace Brazed Impeller and Turbine
Fully Balanced and Pressure Tested
Steel Alloy Pump Drive Tube
B&M Quality & Durability
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Holley Performance Products warrants new Holley, Flowtech, Hooker, NOS, and Weiand products to be free from defects in material and workmanship for a period of 90 days from date of purchase.
Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products.  Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.
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