Gearstar Transmission C4 Level 4 Can Handle 650HP 600lb/ft tq Stall Range 2600-3200 GSC4L4

GSTGSC4L4
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$17,360.13
$16,667.58
$17,360.13

Gearstar Transmission C4 Level 4 Can Handle 650HP 600lb/ft tq Stall Range 2600-3200 GSC4L4

Vendor: Gearstar Transmission

Gearstar Transmission C4 Level 4 Can Handle 650HP 600lb/ft tq Stall Range 2600-3200 GSC4L4

$16,667.58 $17,360.13

Vendor: Gearstar Transmission

Gearstar Transmission C4 Level 4 Can Handle 650HP 600lb/ft tq Stall Range 2600-3200 GSC4L4

$16,667.58 $17,360.13

Gearstar C4 Level 4 Transmission 650HP/600 lb-ft Stall 2600–3200

SKU: GSTGSC4L4

Ford 3-speed automatic transmission. Designed for Small Block Ford engines.

Transmission Overview

C4 Level 4

Performance Ratings

Rated up to: 650 HP at the crankshaft
Rated up to: 600 ft-lbs of torque at the crankshaft

Torque Converter

Custom-built & custom-stalled 9" or 10" billet Yank Performance torque converter

Friction Materials & Clutch Components

Master overhaul kit
Raybestos Stage 1 frictions
New steel plates
High-capacity billet steel forward clutch drum
High-capacity third-gear clutch drum

Bands

Carbon fiber heavy-duty intermediate band
Kevlar-reinforced low reverse band

Geartrain & Hard Parts

300M hardened input shaft
6-pinion hardened steel front and rear planetary gear set
New one-way roller clutch and hardened race

Valve Body, Control & Shifting

Custom-manufactured valve body with shift command
Lokar 360° adjustable shift linkage
Adjustable modulator

Hydraulics & Pump

High-capacity pump assembly with hardened gears
High flow filter

Servos, Governors & Internals

Full billet performance 2nd gear servo piston assembly
High rev governor assembly
Updated the low reverse servo apply piston

Bushings & Internal Wear Components

Complete bushing kit
Thrust washer kit

Cooling & External Components

Heavy-duty extra capacity aluminum pan with drain plug

Build Quality & Durability

All internal components are heat-treated and stress-relieved

Optional Upgrades

SFI-approved heavy-duty aluminum bell housing (available at additional cost)

 

Gear Ratios 1st 2nd 3rd
Ford C4/C6 2.460 1.460 1.100

 

C4 (bellhousing pattern (removable) - 4 Cylinder, Small Block, Big Block)    
Style Bellhousing to the tip of the output shaft Bellhousing to the end of the case (before tailhousing) Bellhousing to the center of the transmission mount Transmission mount width  
Case Fill 24 5/16 19 1/2 16 3/4 5 9/16  
Pan Fill 30 19/32 20 1/2 18 1/8 5 9/16