10" Ultimate Streetfighter Converter 1971-91 Ford C6

Vehicle Info Needed

TCIPART NUMBER: 890-441303

10" Ultimate Streetfighter Converter 1971-91 Ford C6

Name: 10" Ultimate Streetfighter Converter 1971-91 Ford C6
Brand: TCI
SKU: 890-441303
Price: 899.95 USD
Availability: InStock

^$899⁹⁵

Ships on 10/20/2026

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Ford

10" Ultimate Streetfighter Converter

1971-91 Ford C6

289, 302, 351, 400, 429, 460 cid

1.375" Crank Pilot

With Anti-Ballooning Plate

Heavy-duty front anti-ballooning plate for nitrous applications

TCI Ultimate Streetfighter Torque Converters bridge the gap between TCI Competition Series and TCI Super StreetFighter Torque Converters and will have you prepped and ready when race time comes.

Features:

Furnace-brazed hand-welded fins
Cast steel stator
Anti-ballooning plate
Needle bearings
Dual bolt pattern
Hardened pre-ground pump hub
Computer balanced
High torque multiplication
Higher RPM launches
Lower elapsed times

Note: Flexplate must be drilled for 7/16" bolts except LS1 applications

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+	750 horsepower with power adders	3500+	3800+

Part TypeAutomatic Transmission Torque Converter

BrandTCI

Package Height7.5

Package Width13.1

Package Length13.9

Weight30.5 PG

Part CategoryPerformance Parts

Anti-Ballooning PlateYes

Hardware IncludedYes

Crank Pilot Diameter1.375 in (34.925 mm)

BalancedYes

Furnace-BrazedYes

QuantitySold individually

Part FitmentSemi Universal

LockupNo

Diameter10 in (254 mm)

Vendor Part Number441303

Package Qty1

Package TypeEA

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