10" Streetfighter Torque Converter 1965-91 GM TH375/TH400/TH425

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TCIPART NUMBER: 890-242001

10" Streetfighter Torque Converter 1965-91 GM TH375/TH400/TH425

Name: 10" Streetfighter Torque Converter 1965-91 GM TH375/TH400/TH425
Brand: TCI
SKU: 890-242001
Price: 689.95 USD
Availability: InStock

^$689⁹⁵

Ships on Oct 28, 2026

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^$78⁹⁶

555-60429

XHD Torque Converter for GM TH350/TH400/Powerglide [2900-3200 RPM Stall Speed]

^$610⁹⁹

10" Streetfighter Torque Converter

1965-91 GM TH375/TH400/TH425

Wide Bolt Pattern

Non Lock-up

With Anti-Ballooning Plate

With heavy-duty front anti-ballooning plate for nitrous applications

Each Streetfighter torque converter is pressurized and subjected to a leak test to confirm the integrity of all weld seams. Units are then computer balanced to reduce annoying and potentially damaging drivetrain vibrations.

Features:

Furnace-Brazed Fins
Needle Bearings
Hardened Pre-Ground Pump Hubs
Computer Balanced

Benefits:

Higher RPM launches
Quicker reaction times
Lower elapsed times
Better low and mid-range power

1500+ RPM increase in stall over stock

Street/Strip Performance Torque Converter General Application Chart
Converter Series	Advertised Camshaft Duration	Rear Gear Ratio	Engine Characteristics	Expected RPM Stall Speeds
Converter Series	Advertised Camshaft Duration	Rear Gear Ratio	Engine Characteristics	*Small Block*	*Big Block*
Street Rodder	Stock to 260°	Stock to 3.23	Smooth idle, stock compression ratio	1500 to 1700	1700 to 1900
Saturday Night Special	Stock to 265°	Stock to 3.23	Smooth idle, stock compression ratio	1600 to 1800	1800 to 2000
Breakaway	265° to 280°	3.00 to 3.73	Fair idle, mild modifications	2200 to 2400	2400 to 2600
StreetFighter	280° to 300°	3.55 to 4.56	Rough idle, raised comp. ratio, large fuel system	3000 to 3400	3400 to 3600
Super StreetFighter	280° to 310°	3.73 to 4.88	Rough idle, raised comp. ratio, large fuel system, top end power	3500 to 3800	3800 to 4000
Ultimate StreetFighter	290°+	3.73+	1000+ HP with power adders	3500+	3800+

Part TypeAutomatic Transmission Torque Converter

BrandTCI

Package Height7.3

Package Width14.0

Package Length15.2

Weight27.61 PG

Part CategoryPerformance Parts

Anti-Ballooning PlateYes

Hardware IncludedYes

BalancedYes

Furnace-BrazedYes

QuantitySold individually

Part FitmentSemi Universal

LockupNo

Diameter10 in (254 mm)

Vendor Part Number242001

Package Qty1

Package TypeEA

No Questions

No Reviews

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241001 10" Streetfighter Torque Converter 1965-1991 GM TH350/TH400 with Dual Bolt Pattern

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10" Streetfighter Torque Converter 1965-81 GM TH350/TH375 Small Bolt Pattern (Except Lock-up)

Part Number : 890-242101

^$689⁹⁵

Some parts are not legal for use in California or other states with similar laws / regulations

10" Streetfighter Torque Converter 1965-91 GM TH375/TH400/TH425

Features:

Benefits:

Items You Need

Blue Medium Strength Threadlocker 6ml Tube

Part Number : 775-24200

Blue Medium Strength Threadlocker 6ml Tube

Part Number : 775-24200

ITEM YOU MAY ALSO CONSIDER

XHD Torque Converter for GM TH350/TH400/Powerglide [2900-3200 RPM Stall Speed]

Part Number : 555-60429

241001 10" Streetfighter Torque Converter 1965-1991 GM TH350/TH400 with Dual Bolt Pattern

Part Number : 890-241001

10" Streetfighter Torque Converter 1965-81 GM TH350/TH375 Small Bolt Pattern (Except Lock-up)

Part Number : 890-242101

XHD Torque Converter for GM TH350/TH400/Powerglide [2900-3200 RPM Stall Speed]

Part Number : 555-60429

241001 10" Streetfighter Torque Converter 1965-1991 GM TH350/TH400 with Dual Bolt Pattern

Part Number : 890-241001

10" Streetfighter Torque Converter 1965-81 GM TH350/TH375 Small Bolt Pattern (Except Lock-up)

Part Number : 890-242101

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