(810) 964-7881

[email protected]

Cart
jsperformanceengineering.com
  • LS Engines
  • LT Engines
  • ECOTEC Engines
  • TBI Engines

LS/LT Engine Harness and controllers

start Your Quote

ECOTEC ENGINE OPERATION SYSTEMS

start Your Order

CUSTOM FABRICATION

Tell Us About Your Project

OTHER PRODUCTS and Services

Project Gallery
Fabrication Gallery
3D printing Gallery
Metal Art

and the fastest intel i7 sound ever

VEHICLE CHASIS/ROLL CAGES

CUSTOM Metal Fabrication

Trending Products

See All Trending products

  • (OEM ECM) LS Series Gen III 24X Engine Operation System
    LS GEN III

    (OEM ECM) LS Series Gen III 24X Engine Operation System

    Starting from 900.00
    Select options
  • (OEM ECM) LS Series Gen IV 58X Engine Operation System
    LS GEN IV

    (OEM ECM) LS Series Gen IV 58X Engine Operation System

    starting from 920.00
    Select options
  • (OEM ECM) LT Engine operation system
    LT

    (OEM ECM) LT Engine operation system

    $980.00
    Select options
  • Placeholder
    3.0L Marine

    3.0L Mercury/Volvo Legacy Marine series TBI kit

    Starting from 1130.00
    Select options
  • Placeholder
    TBI-LEGACY

    BUICK Legacy Complete TBI Kit

    Starting from 890.00
    Select options
  • Placeholder

    CADILLAC Legacy Complete TBI Kit

    Starting from 1095.00
    Select options
  • Placeholder

    CHEVROLET Legacy Complete TBI Kit

    Starting from 890.00
    Select options
  • Placeholder

    CHEVROLET Legacy Marine TBI Kit

    Starting from 1130.00
    Select options
  • Clutch Kit
    ECOTEC

    Clutch Kit

    $310.00
    View cart
jsperformanceengineering.com

Hours of Operation
By Appointment only
Monday 9-5
Tuesday 9-5
Wednesday 9-5
Thursday 9-5
Friday 9-5

Customer Care

  • Contact Us
  • Sales Terms and Conditions
  • Post Warrenty Support
  • Sales Tax and Shipping
  • Installation Instructions
  • FAQs
  • Product Support

Contact info

J&S Performance & Engineering
 877 Whitney Dr. 
Lapeer, MI. 48446

Got questions? Call us at (810) 964-7881

J&S Performance & Engineering © 2025

Notifications