24x Conversion Hardware
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About us
We specialize in GM fuel injection systems for SBC, LT1, and the variety of LS engines. Since 2003 we have been manufacturing brand new fuel injection engine harnesses and connector pigtails for GM engines and offering replacement harness components for GM fuel injection harnesses.
Modernize Your Early SBC, TPI, or LT1/LT4 Engine
Our 24x systems and 58x systems bring Gen III LS1 PCM control and Gen IV LS3 ECM control to these popular engines. Our 24x solution is the only replacement to the troublesome LT1 optispark distributor and has enabled amazing potential for these engines; even 8,000 rpm capabilities!
Modernize Your Early SBC, TPI, or LT1/LT4 Engine
Our 24x systems and 58x systems bring Gen III LS1 PCM control and Gen IV LS3 ECM control to these popular engines. Our 24x solution is the only replacement to the troublesome LT1 optispark distributor and has enabled amazing potential for these engines; even 8,000 rpm capabilities!
Seller feedback (7,556)
- 7***1 (31)- Feedback left by buyer.Past monthVerified purchasePart arrived as described, well packaged, shipped quickly
- h***9 (879)- Feedback left by buyer.Past monthVerified purchaseNew in package as described. Packed securely and shipped quickly A ++
- 8***l (1272)- Feedback left by buyer.Past 6 monthsVerified purchaseExactly as described, well packed, shipped fast.
- f***e (90)- Feedback left by buyer.Past 6 monthsVerified purchaseAccurate description of item, attentive and responsive with communication, and expedient shipping.
- r***r (87)- Feedback left by buyer.Past yearVerified purchaseProduct arrived in original packaging in brand new condition, as described in the ad. Shipping was fast and arrived ahead of schedule. Communications with EFI Connection LLC was above average and response was within 1-2 hours. I will repeat business with this seller. LS Swap Benchtop ECM Harness- build was a success using this OBD II connector.
- u***c (1378)- Feedback left by buyer.Past monthVerified purchaseExcellent ebayer quick delivery considering the distance, nice product good price 10/10