TREMEC TKO, TREMEC Magnum, & SST A41 Conversion Kits for 1970-1981 Camaro and Firebird

Enjoy Life in Overdrive

1970-1981 Camaro and Firebird Overdrive Transmissions

Silver Sport Transmissions has the best engineered kits to continue the evolution of your 1970-1981 Chevy Camaro or Pontiac Firebird. Console or no console, we've got you covered. Our PerfectFit™ Tremec TKO transmission case streamlining and short throw billet shifter provides an easier installation and short, crisp shifts.

Car shows, close friends and good times are all within easy reach when you choose a TREMEC TKO 5-speed, TREMEC T56 Magnum 6-speed or A41 4-speed automatic overdrive from Silver Sport Transmissions!!

Use the tabs above to learn more.

 

Tremec TKO PerfectFit™ Kit for Gen 2 F-Body

TREMEC TKO 5-Speed 1970-1981 Camaro and Firebird

The good ol' days never had it this good!

 

Printer

Download or print a F2 PerfectFit™ flyer here:  F2 PerfectFit Kit

Download or print the installation manual here:  Installation Manual

 

When you convert to the Tremec TKO 5 Speed, you will experience:

  • 30-50% increase in fuel economy
  • Low RPM cruising for greatly reduced driver fatigue and an improved highway driving experience. Road trips are fun again!
  • Reduced engine wear leading to longer engine life
  • Cooler engine operating temperatures
  • Reduced NVH (noise - vibration - harshness)

 

TKO Gear Ratios

TKO 500 - 3.27, 1.98, 1.34, 1.00, 0.68
TKO 600 - 2.87, 1.89, 1.28, 1.00, 0.64 OR 0.82

 

Silver Sport Transmissions Overdrive Kit Overview

PerfectFit™ Tremec TKO Kit Components for conversion from 3 or 4 speed manual

TREMEC TKO 5-Speed 1970-1981 Camaro and Firebird

  1. Tremec TKO 5 Speed Overdrive
    • 500-600 torque capacity wide or close ratio.
    • Compact billet aluminum shifter mechanism provides smooth shifting with short throws. True internal offset with perfect factory shifter positioning.
    • Exclusive SST case customization - CNC machined for a PerfectFit™ without compromise to the transmission
    • Thoroughly tested for leaks and performance.
    • Market Leading Warranty - learn more
    • Optional Carbon Fiber Lined Synchronizer blocker ring upgrade for higher rpm shift capability
    • Lower Cost Option  Classic Fit option available for non-console installations.  (Does not provide factory shifter positioning.)
  2. Crossmember
    • CAD designed, lightweight and box welded for rigidity
    • Better exhaust clearance and rigidity compared to tubular or aluminum variants
  3. Driveshaft & Slip Yoke
    • Lightweight, steel, custom driveshaft for superior strength. Dynamically balanced for smooth operation and premium solid u-joints come standard.
  4. Speedometer Connection
    • Mechanical and electronic compatible
  5. Calibrated Speedo Cable or Electronic Speedo Connector - Your choice
  6. Reverse Light Connector
  7. Pilot Bearing
    • Super heavy duty needle roller type with lube seal for long life
  8. Isolator Mount
    • Rubber for vibration isolation or optionalheavy-duty poly for track duty
  9. 5 Speed Shift Pattern Plate
    • Maintains original appearance ('70-'71 Camaro Only)
  10. Installation Hardware
  11. Detailed Installation Instructions - including free lifetime tech support
  12. Market Leading Warranty - learn more

 

Request a Quick Quote

 

Optional components offered

  1. Carbon Fiber Lined Synchronizer Blocker Ring and Bronze Shift Fork Pad Upgrade
    • For higher rpm shift capability and increased durability
  2. Heavy Duty Poly Isolator Mount Upgrade
    • For track duty
  3. Hydraulic Clutch Actuator Kit - Modern technology with less pedal effort
    • Master cylinder - high quality Wilwood
    • Heavy-Duty concentric slave cylinder - 1,000,000 cycle service life
    • Pre-engineered firewall mount for master cylinder - eliminates guess work for easy installation
    • Remote reservoir with hose
    • Braided steel pressure hose
    • Pedal pushrod and all hardware
    • Detailed installation instructions
  4. Flywheel
    • Billet steel, not cast steel, for improved durability and safety.
  5. Clutch Kit
    • High performance, long life packages with easy pedal effort tailored to your needs
  6. Bellhousing
    • Titanium-Aluminum OEM type or steel scattershields that meet race safety requirements
  7. Shifter Handle
  8. Shifter Ball
    • Available in white or black for that classic look. Engraved with 5 speed shift pattern.

 

Request a Quick Quote

 

Why buy from Silver Sport Transmissions?

  1. Fast Shipping
    • Popular kits are in stock for short lead times
  2. Complete Kits
    • Why go to multiple sources for parts? Make one phone call and get things going on your project now.
  3. Excellent Customer Service
    • Lifetime tech support
    • Knowledgeable staff
  4. Premium Components
    • Only approved, high quality parts are sold by SST.
  5. Engineering Know How
    • Only SST has experienced and licensed engineers on staff. We know what fits, what works and how to install it.

 

Call today and let us assemble a custom kit just for you, or complete a Quick Quote

Printer

Download or print a F2 PerfectFit™ flyer here:  F2 PerfectFit Kit

Download or print the installation manual here:  Installation Manual

 

When you convert to the Tremec TKO 5 Speed, you will experience:

  • 30-50% increase in fuel economy
  • Low RPM cruising for greatly reduced driver fatigue and an improved highway driving experience. Road trips are fun again!
  • Reduced engine wear leading to longer engine life
  • Cooler engine operating temperatures
  • Reduced NVH (noise - vibration - harshness)

 

TKO Gear Ratios

TKO 500 - 3.27, 1.98, 1.34, 1.00, 0.68
TKO 600 - 2.87, 1.89, 1.28, 1.00, 0.64 OR 0.82

 

Silver Sport Transmissions Overdrive Kit Overview

PerfectFit™ Tremec TKO Kit Components for conversion from 3 or 4 speed manual

TREMEC TKO 5-Speed 1970-1981 Camaro and Firebird

  1. Tremec TKO 5 Speed Overdrive
    • 500-600 torque capacity wide or close ratio.
    • Compact billet aluminum shifter mechanism provides smooth shifting with short throws. True internal offset with perfect factory shifter positioning.
    • Exclusive SST case customization - CNC machined for a PerfectFit™ without compromise to the transmission
    • Thoroughly tested for leaks and performance.
    • Market Leading Warranty - learn more
    • Optional Carbon Fiber Lined Synchronizer blocker ring upgrade for higher rpm shift capability
    • Lower Cost Option  Classic Fit option available for non-console installations.  (Does not provide factory shifter positioning.)
  2. Pilot Bearing
    • Super heavy duty needle roller type with lube seal for long life
  3. Flywheel
    • Billet steel, not cast steel, for improved durability and safety.
  4. Clutch Kit
    • High performance, long life packages with easy pedal effort tailored to your needs
  5. Bellhousing & Inspection Cover
    • Titanium-Aluminum OEM type or steel scattershields that meet race safety requirements
  6. Mechanical Linkage & Throwout Bearing
  7. Shift Boot & Trim Ring
  8. Lower Shifter Boot
  9. 4 Speed Tunnel Hump
  10. Pedals
  11. Shifter Handle and 5 Speed Ball - Black or White
  12. Crossmember
    • CAD designed, lightweight and box welded for rigidity
    • Better exhaust clearance and rigidity compared to tubular or aluminum variants
  13. Driveshaft & Slip Yoke
    • Lightweight, steel, custom driveshaft for superior strength. Dynamically balanced for smooth operation and premium solid u-joints come standard.
  14. Speedometer Connection
    • Mechanical and electronic compatible
  15. Calibrated Speedo Cable or Electronic Speedo Connector - Your choice
  16. Reverse Light Connector
  17. Isolator Mount
    • Rubber for vibration isolation or optionalheavy-duty poly for track duty
  18. 5 Speed Shift Pattern Plate
    • Maintains original appearance ('70-'71 Camaro Only)
  19. Installation Hardware
  20. Detailed Installation Instructions - including free lifetime tech support
  21. Market Leading Warranty - learn more

 

Request a Quick Quote

 

Optional components offered

  1. Carbon Fiber Lined Synchronizer Blocker Ring and Bronze Shift Fork Pad Upgrade
    • For higher rpm shift capability and increased durability
  2. Heavy Duty Poly Isolator Mount Upgrade
    • For track duty
  3. Hydraulic Clutch Actuator Kit - Modern technology with less pedal effort
    • Master cylinder - high quality Wilwood
    • Heavy-Duty concentric slave cylinder - 1,000,000 cycle service life
    • Pre-engineered firewall mount for master cylinder - eliminates guess work for easy installation
    • Remote reservoir with hose
    • Braided steel pressure hose
    • Pedal pushrod and all hardware
    • Detailed installation instructions
  4. T-Handle Shifter

 

Request a Quick Quote

 

Why buy from Silver Sport Transmissions?

  1. Fast Shipping
    • Popular kits are in stock for short lead times
  2. Complete Kits
    • Why go to multiple sources for parts? Make one phone call and get things going on your project now.
  3. Excellent Customer Service
    • Lifetime tech support
    • Knowledgeable staff
  4. Premium Components
    • Only approved, high quality parts are sold by SST.
  5. Engineering Know How
    • Only SST has experienced and licensed engineers on staff. We know what fits, what works and how to install it.

 

Call today and let us assemble a custom kit just for you, or complete a Quick Quote

Magnum 6-Speed PerfectFit™ Kit for F-Body

TREMEC Magnum T56 6-Speed 1970-1981 Camaro and Firebird

Highway cruising double overdrive!

 

printer

Download or print the installation manual here:  F2 Installation Manual

 

When you convert to the Tremec Magnum 6-Speed, you will experience:

  • 30-50% increase in fuel economy
  • Low RPM cruising for greatly reduced driver fatigue and an improved highway driving experience. Road trips are fun again!
  • Reduced engine wear leading to longer engine life
  • Cooler engine operating temperatures
  • Reduced NVH (noise - vibration - harshness)

 

Tremec Magnum Gear Ratios

2.66, 1.78, 1.30, 1.00, 0.80, 0.63
2.97, 2.10, 1.46, 1.00, 0.80, 0.63

 

Silver Sport Transmissions Magnum 6-Speed PerfectFit™ Kit Overview

TREMEC Magnum T56 6-Speed 1970-1981 Camaro and Firebird

PerfectFit™ Tremec Magnum Kit Components for conversion from a manual

  1. Tremec Magnum 6 Speed Double Overdrive
    • 700 torque capacity wide or close ratio.
    • Perfect factory shifter positioning.
    • Market Leading Warranty - learn more
    • Friction Lined Synchronizer Blocker Rings come standard for easy high RPM shifts
    • Lower Cost Option  Classic Fit option available for non-console installations.  Slight trimming of the shifter opening may be required.
  2. Bellhousing Adapter Plate
  3. Crossmember
    • CAD designed, lightweight and box welded for rigidity
    • Better exhaust clearance and rigidity compared to tubular or aluminum variants
  4. Body Metal & Cutting Template (Not Pictured)
  5. Driveshaft & Slip Yoke
    • Lightweight, steel, custom driveshaft for superior strength. Dynamically balanced for smooth operation and premium solid u-joints come standard.
  6. Speedometer Connection
    • Mechanical and electronic compatible
  7. Calibrated Speedo Cable or Electronic Speedo Connector - Your choice
  8. Reverse Light Connector
  9. Pilot Bearing
    • Super heavy duty needle roller type with lube seal for long life
  10. Isolator Mount
    • Rubber for vibration isolation
  11. Installation Hardware
  12. Detailed Installation Instructions - including free lifetime tech support
  13. Market Leading Warranty - learn more

 

Request a Quick Quote

 

Optional components offered

  1. Reverse Lockout Control Module
  2. Heavy Duty Poly Isolator Mount Upgrade
    • For track duty
  3. Hydraulic Clutch Actuator Kit - Modern technology with less pedal effort
    • Master cylinder - high quality Wilwood
    • Heavy-Duty concentric slave cylinder - 300,000 stroke service life 
    • Pre-engineered firewall mount for master cylinder - eliminates guess work for easy installation
    • Remote reservoir with hose
    • Braided steel pressure hose
    • Pedal pushrod and all hardware
    • Detailed installation instructions
  4. Flywheel
    • Billet steel, not cast steel, for improved durability and safety.
  5. Clutch Kit
    • High performance, long life packages with easy pedal effort tailored to your needs
  6. Bellhousing
    • Titanium-Aluminum OEM type or steel scattershields that meet race safety requirements
  7. Shifter Handle
  8. Shifter Ball
    • For aftermarket shifters, available in white or black for that classic look. Engraved with 6 speed shift pattern.

 

Request a Quick Quote

 

Why buy from Silver Sport Transmissions?

  1. Fast Shipping
    • Popular kits are in stock for short lead times
  2. Complete Kits
    • Why go to multiple sources for parts? Make one phone call and get things going on your project now.
  3. Excellent Customer Service
    • Lifetime tech support
    • Knowledgeable staff
  4. Premium Components
    • Only approved, high quality parts are sold by SST.
  5. Engineering Know How
    • Only SST has experienced and licensed engineers on staff. We know what fits, what works and how to install it.

 

Call today and let us assemble a custom kit just for you, or complete a Quick Quote

When you convert to the Tremec Magnum 6-Speed, you will experience:

  • 30-50% increase in fuel economy
  • Low RPM cruising for greatly reduced driver fatigue and an improved highway driving experience. Road trips are fun again!
  • Reduced engine wear leading to longer engine life
  • Cooler engine operating temperatures
  • Reduced NVH (noise - vibration - harshness)

 

Tremec Magnum Gear Ratios

Close- 2.66, 1.78, 1.30, 1.00, 0.80, 0.63
Wide - 2.97, 2.10, 1.46, 1.00, 0.74, 0.50

 

Silver Sport Transmissions Magnum 6-Speed PerfectFit™ Kit Overview

TREMEC Magnum T56 6-Speed 1970-1981 Camaro and Firebird

PerfectFit™ Tremec Magnum Kit Components for conversion from automatic

  1. Tremec Magnum 6 Speed Double Overdrive
    • 700 torque capacity wide or close ratio.
    • Perfect factory shifter positioning.
    • Market Leading Warranty - learn more
    • Friction Lined Synchronizer Blocker Rings come standard for easy high RPM shifts
    • Lower Cost Option  Classic Fit option available for non-console installations.  Slight trimming of the shifter opening may be required.
  2. Crossmember
    • CAD designed, lightweight and box welded for rigidity
    • Better exhaust clearance and rigidity compared to tubular or aluminum variants
  3. Flywheel
    • Billet steel, not cast steel, for improved durability and safety.
  4. Clutch Kit
    • High performance, long life packages with easy pedal effort tailored to your needs
  5. Bellhousing
  6. Shifter Handle
  7. Shifter Ball
    • For aftermarket shifters, available in white or black for that classic look. Engraved with 6 speed shift pattern.
  8. Shift Boot and Trim Ring
  9. Pedals
  10. Hydraulic Clutch Linkage
  11. Driveshaft & Slip Yoke
    • Lightweight, steel, custom driveshaft for superior strength. Dynamically balanced for smooth operation and premium solid u-joints come standard.
  12. Speedometer Connection
    • Mechanical and electronic compatible
  13. Calibrated Speedo Cable or Electronic Speedo Connector - Your choice
  14. Reverse Light Connector
  15. Pilot Bearing
    • Super heavy duty needle roller type with lube seal for long life
  16. Isolator Mount
    • Rubber for vibration isolation
  17. Installation Hardware
  18. Detailed Installation Instructions - including free lifetime tech support
  19. Market Leading Warranty - learn more

 

Request a Quick Quote

 

Optional components offered

  1. Heavy Duty Poly Isolator Mount Upgrade
    • For track duty
  2. Reverse Lockout Control Module

 

Request a Quick Quote

 

Why buy from Silver Sport Transmissions?

  1. Fast Shipping
    • Popular kits are in stock for short lead times
  2. Complete Kits
    • Why go to multiple sources for parts? Make one phone call and get things going on your project now.
  3. Excellent Customer Service
    • Lifetime tech support
    • Knowledgeable staff
  4. Premium Components
    • Only approved, high quality parts are sold by SST.
  5. Engineering Know How
    • Only SST has experienced and licensed engineers on staff. We know what fits, what works and how to install it.

 

Call today and let us assemble a custom kit just for you, or complete a Quick Quote

A41 4-Speed Automatic PerfectFit™ Kit for F-Body

A41 4L60E PerfectFit Kit for 1970-1981 Camaro and Firebird

 

Put it in drive and watch the gas stations go by.

Numerous magazines have reviewed the kit: Popular Hot Rodding, Hot Rod, Mopar Action and several blogs say that this transmission will bring your car "into the 21st century!"

 

The A41 4 Speed Automatic Transmission

View the Installation Manual

A41 4L60E A41 Ratio: 3.06, 1.63, 1.00, 0.70

 

Available in three stages:

Stage 1 - 450 Torque
Stage 2 - 550 Torque
Stage 3 - 650 Torque

 

Features:

  • Low RPM Cruising
  • Great Shift Quality
  • Dyno Tested
  • Electronic Controller
  • Lockup Torque Converter with Optional Stall Speeds
  • No Tunnel Cutting 

 

The A41 is an excellent way to replace your tired 904, 727, 518, Powerglide, TH350 (Turbo 350), TH400 (Turbo 400), 200R4 (200-4R) or 700R4 with modern technology that offers better acceleration and a 30% reduction in cruising rpms.

 

Request a Quick Quote

EZ-TCU Overdrive Transmission Controller

EZ-TCUThe EZ-TCU™ allows for maximum electronic control over shift points, shift firmness & shift speed. The EZ-TCU™ is fully configured and ready to run right out of the box – no tuning necessary. But for those who demand customization, the unit is also optionally fully programmable based on load, speed and RPM.

  • Maximum electronic control over shift points, shift firmness & shift speed
  • No software, laptop or experience needed
  • Completely intuitive programming interface or optional fully programmable based on load, speed and RPM
  • Multiple shift modes include full manual mode
  • Compatible with popular GM transmissions, including our A41 Automatic 4-Speed
  • Includes transmission control unit, hand-held & wiring harness

 

│Easy Electronic Overdrive Transmission Control • No Laptop, Previous Tuning Experience or Tuning Required

For computer controlled transmissions, nothing beats the new TCI® EZ-TCU™ by FAST™. No software, laptop or tuning experience is required. Simply install this transmission control unit according to the enclosed instructions, and then start the system by answering the simple Setup Wizard questions on the included hand-held unit. It’s that easy; the EZ-TCU™ does all the work for you!


│Optionally Programmable Based on Load, Speed & RPM • Stores (2) Custom Calibrations • Optional Paddle Shifter

The EZ-TCU™ is fully configured and ready to run right out of the box – no tuning necessary. But for those who demand customization, the unit is also optionally fully programmable based on load, speed and rpm. TCI® and FAST™ engineers took a page from the very successful FAST™ EZ-EFI® Self Tuning Fuel Injection System and designed the EZ-TCU™ programming interface to be completely intuitive. There is no real expertise needed if you want to custom program your calibration. The EZ-TCU™ is capable of real-time switchable calibrations, which allows for multiple setups. Run one calibration on the way to the track, and then with the push of a button, have a more aggressive setup ready for the race.


│Built-In Self Diagnostic Feature • INCLUDES: Trans Control Unit, Hand-Held Display, OEM-Quality Wiring Harness

Compatible with most popular GM transmissions, including the 4L60E, 4L65E, 4L80E and 4L85E, and the TCI® 6x Six-Speed Transmission. The EZ-TCU™ allows for maximum electronic control over shift points, shift firmness and shift speed. Self diagnostics allow users of every skill level to fully utilize the EZ-TCU™. The complete kit includes the transmission control unit, hand-held unit and wiring harness.


│EZ-TCU™ Information Summary:

  • No software, laptop or experience needed

  • Maximum electronic control over shift points, shift firmness & shift speed

  • Completely intuitive programming interface or optional fully programmable based on load, speed & rpm

  • Compatible w/ GM transmissions, including 4L60E, 4L65E, 4L80E, 4L85E & TCI® 6x Six-Speed

  • Includes transmission control unit, hand-held and wiring harness

  • Included hand-held can operate as electronic dash

  • Multiple shift modes include full manual mode

 

*Requires a Throttle Position Sensor (TPS)

Installation Instructions

 

Request a Quick Quote

A41 4L60E Automatic conversion kit for 1970-1981 Camaro and Firebird

Each PerfectFit™ Kit comes with the correct components for your application and will include the following parts:

 

  • Automatic Transmission - A41 (GM 4L60E / GM 4L65E Aftermarket replacement)
  • EZ-TCU Controller
  • Dipstick and Tube - OEM Style
  • Auxiliary Oil Cooler - High performance for Stage 2 and 3 only, Optional purchase for Stage 1 kits
  • Bellhousing 
  • Lock Up Torque Converter - Electronically controlled, stall options available 
  • Throttle Position Sensor - Bolt-on unit provides throttle feedback to computer with just 3 wires
  • Braided Steel Cooler Lines
  • Speedometer Cable - Mechanical Speedo Cable
  • Hardware - High strength grade 8 fasteners standard
  • Wiring - Plug & Play wiring harness
  • Inspection Cover
  • Driveshaft - High strength computer balanced with sealed u-joints & slip yoke
  • Reverse Light Wiring
  • Crossmember - Heavy duty formed steel, powder coated
  • Isolator - Vibration free, heavy duty rubber isolator 

 

Request a Quick Quote