The SpeedFactory SF-Modified Shift Change Holder Assembly (SCHA) is a must-have upgrade for B-Series FWD hydraulic transmissions. Designed for both high-performance dogbox and stock type synchronized transmissions, this upgraded SCHA improves shifting reliability, helps prevent costly transmission damage, and ensures smoother, more consistent shifts—especially under aggressive driving conditions.
Key Features:
· Heavy-Duty Construction: The stock shift change arm is replaced with a heavy-duty CNC-machined, heat-treated tool steel arm, ensuring superior strength and resistance to bending or breaking.
· Enhanced Shifting Performance: The upgraded design helps eliminate the common 1-2-1 or 2-3-2 mis-shift problems. The stronger assembly, coupled with an HD spring or stock spring option, improves the ease and precision of shifting, particularly in drag racing and high-performance applications.
· CryoHeat & Micropolished Components: Upgraded interlock and shift piece reduce wear, improve shift smoothness, and prevent shift delays.
· TIG Welded Base: The base of the SCHA is TIG welded at multiple points and braced, reinforcing it against fatigue cracking and stock weld failures. This makes the assembly even stronger, offering more precise shift action under aggressive shifting conditions.
· Upgraded HD Spring: Higher tension spring returns the shifter to center with authority, improving 2-3 shifts and reducing chances of a mis-shift.
· Race-Ready Reliability: The SF-Modified SCHA is designed to withstand the rigors of racing environments and help avoid costly transmission damage.
Why You Need It:
· Help Prevent Costly Transmission Damage: Replace the weak stock SCHA before it fails and causes issues like gear damage or missed shifts.
· Better Shifting Performance: Whether you’re racing or just want smoother shifts on the street, the SF-Modified SCHA ensures that your transmission works as intended, reducing the chances of missed shifts or hard-to-find issues that affect worn stock SCHA’s.
· Race Proven: After over a decade of use on thousands of road race, drag, and street cars, our upgraded SCHA has proven to be an essential upgrade eliminating the shifting issues many racers face, improving overall performance and reliability.
Options:
· HD Spring: Ideal for improved shifting feel, particularly on aggressive 2-3 shifts.
· Stock Spring Option: For those using a T1 G-Force Shifter kit which already incorporates an additional return spring, or those seeking a stock return feel.
Confirmed Fitments:
B16A, B18A, B18B, B18C1, B18C5 B-Series Hydraulic FWD Transmissions
Warranty:
1-year limited warranty against manufacturing defects. Does not cover damage from abuse, modification, or wear.
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