We are still here to take new orders, and our LS / LT control systems and standalone harnesses are still shipping out daily. There may be some delay in the supply chain for certain add-on items due to the pandemic, but we are still here Monday-Friday 9am-5pm Eastern to take new orders and provide customer support. Give us a call to get your swap project out on the road!
Welcome to Speartech!
Home of the original LS swap harness developed here over 20 years ago!
We have standalone swap harnesses and complete control systems for all 99+ LS engines/transmissions.
We have standalone swap harnesses and complete control systems for new Gen 5 LT engines/transmissions, with LT5 harness development underway now!
Looking for a complete, turn key powertrain package? You've come to the right place - we have packages available for LS3, LT1, and LT4!
We are the source for 6L80/6L90, 8L90, and 10L90 swap accessories including tap shift products, reverse light CAN relay, neutral safety switch, and more!
Give us a call to get your LS/LT swap project out on the road and start enjoying today's power and reliability in the old classics you love! Speartech - The Original & Still The Best!
Current harness lead time: 3-5 weeks