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

Name: 10" Super Streetfighter Torque Converter 1965-91 GM TH375/TH400/TH425
Brand: TCI
SKU: 890-242022
Price: 699.95 USD
Availability: InStock

^$699⁹⁵

Ships on Oct 28, 2026

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10" Super Streetfighter Torque Converter

1965-91 GM TH375/TH400/TH425

Wide Bolt Pattern

Non Lock-up

TCI ensures that each Super Streetfighter Torque Converter is built to spec and triple-tested during assembly.

Features:

Furnace-brazed fins
Hardened, preground pump hub
Computer balanced
Needle bearings

Benefits:

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

Street/Strip Performance Torque Converter General Application Chart
Torque Converter Series	advertised camshaft duration	rear gear ratio	engine characteristics	expected rpm stall speeds
Torque 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 comp. ratio	1500 to 1700	1700 to 1900
Saturday Night Special	stock to 265°	stock to 3.23	smooth idle, stock comp. 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, large fuel system, raised comp. ratio	3000 to 3400	3400 to 3600
Super StreetFighter	280° to 310°	3.73 to 4.88	rough idle, large fuel system, raised comp. ratio top end power	3500 to 3800	3800 to 4000
Ultimate StreetFighter	290°+	3.73+	1000+ horsepower with power adders	3500+	3800+