865.609.8187 and 844.609.8187
My Cart

Search

TREMEC TKO, & SST A41 Conversion Kits for 1984-1988 C4 Corvette

Parts Finder

Enjoy Life in Overdrive

1984-1988 Corvette

Silver Sport Transmissions has the best-engineered kits to continue the evolution of your 1984-1988 Chevy Corvette. Our PerfectFit™ Tremec TKO transmission case streamlining and short-throw billet shifter provide the best possible fit and short, crisp shifts.

Car shows, close friends, and good times are all within easy reach when you choose a Tremec TKO 5 speed or A41 automatic overdrive from SST!

Use the tabs above to learn more.

 

 

Tremec TKO PerfectFit™ Kit for Corvette

 

TREMEC TKO PerfectFit Kit for 1984-1988 Corvette

Ditch your ailing 4+3 and increase performance with this permanent solution!

 

Printer

Download or print a C4 PerfectFit™ flyer here:  C4 PerfectFit™ Kit

Download or print the installation manual here:  Installation Manual

 

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

  • Increased reliability compared to the 4+3
  • Increased driveability
  • Easy service

 

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 PerfectFit Kit 1984-1988 Corvette

  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.
    • Quick Detach PerfectFit™ Shifter for easy installation, no resealing required, unlike other offset shifters on the market
    • 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
  2. 31 Spline Slip Yoke and U-Joint
    • Allows use of factory driveshaft
  3. Speedometer Connection
    • Mechanical and electronic compatible
  4. Electronic Speedometer Interface - keeps your digital speedometer functional and is easy to calibrate
  5. Reverse Light Connector
  6. Pilot Bearing
    • Super heavy-duty needle roller type with lube seal for long life
  7. Torque Arm Adapter
    • No cutting of your torque arm is required and you can even use the stock exhaust hanger
  8. Shifter Boot, Handle, and 5 Speed Ball
  9. Installation Hardware
  10. Tunnel Modification Template, Cover and Detailed Instructions
  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. Clutch Kit
    • High performance, long life packages with easy pedal effort tailored to your needs

 

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 Basic Kit for GM

A41 4L60E Automatic 1984-1988 Corvette

 

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

 

The A41 4 Speed Automatic Transmission Basic Builder's Kit

This is the basic builder's kit, cutting and/or fabrication will be required for installation.

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

COMPUSHIFT Sport

COMPUSHIFTThe COMPUSHIFT Sport is the next generation of transmission controllers.

  • All the connectors - The COMPUSHIFT Sport transmission controller looms come with a full set of Plug and Play OEM Connectors for all supported transmissions - making installation effortless.
  • Smart Phone Integration - COMPUSHIFT Sport brings you the first-ever smartphone integrated transmission controller. This makes programming dead easy – allowing programming via Android or iOS smartphones, tablets, PCs and Macs. Connectivity includes both Bluetooth and dual independent CAN bus networks. All software is included.
  • Fully Customize Your Transmission - Get full and precise control of the shifting strategy for your transmission. COMPUSHIFT Sport and Pro are delivered with versatile factory-set programming for a wide variety of transmission and engine combinations. However, you can completely customize settings to your exact specifications.

 

COMPUSHIFT Sport Technical Specifications

COMPUSHIFT

Smart Phone / Tablet / Computer Integration:

  • COMPUSHIFT Sport brings you the first-ever smartphone integrated transmission controller. This makes programming dead easy – allowing programming via Android or iOS smartphones, tablets, PCs and Macs. Connectivity includes both Bluetooth and dual independent CAN bus networks. All software is included.

 

Control:

  • Get full and precise control of the shifting strategy for your transmission. COMPUSHIFT Sport and Pro are delivered with versatile factory-set programming for a wide variety of transmission and engine combinations. However, you can completely customize settings to your exact specifications.
  • Fully adjustable shift speeds, shift feel, and torque converter clutch control.
  • Provides adjustable output for speedometer calibration.

 

Compatibility:

  • COMPUSHIFT has the capability of communicating with many different factory and aftermarket engine controllers for quick plug and play setup. No wire splicing required.
  • Uses industry-standard trouble codes

 

Ease of Setup:

  • All The Connectors - The COMPUSHIFT Sport transmission controller looms come with a full set of Plug and Play OEM Connectors for all supported transmissions - making installation effortless.
  • COMPUSHIFT software is upgradeable in the field via Bluetooth. Updates are available via Google Play, Kindle and the Apple App Store.
  • Two full sets of calibration modes that can be selected by button or app.
  • Transfer case switch input for shift/speedometer calibration in low range / 4WD vehicles.

 

Durability:

  • Highly Water and Dust Proof - IP65 Rated

 

Request a Quick Quote

GM Basic A41 Automatic 4L60E Kit 1984-1988 Corvette

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

  1. Automatic Transmission - A41 (GM 4L60E / GM 4L65E Aftermarket replacement)
  2. COMPUSHIFT Sport Controller
  3. Dipstick and Tube - OEM Style
  4. Auxiliary Oil Cooler - High performance for Stage 2 and 3 only, Optional purchase for Stage 1 kits
  5. Bellhousing
  6. Lock Up Torque Converter - Electronically controlled, stall options available 
  7. Throttle Position Sensor - Bolt-on unit provides throttle feedback to the computer with just 3 wires
  8. Rubber Cooler Lines
  9. Speedometer Cable - Mechanical Speedo Cable
  10. Hardware - High strength grade 8 fasteners standard
  11. Wiring - Plug & Play wiring harness
  12. Inspection Cover
  13. Slip Yoke
  14. Reverse Light Wiring

Request a Quick Quote