Spring Tune up Sale! 10% Off of Everything March 17-31
Use Coupon Code TUNEUP at Checkout.
Valid for Retail Orders only – Does Not Apply to Dealer Pricing or ECM Tunes
GM LS-Series Products
GM LS Series Products
GM LT1/LT4 Products 2014+
General Motors LT1/LT4 Products (2014+)
Complete TBI Kits
50 State Legal Jeep TBI
Jeep
Jeep Products
GM Vortec Products
General Motors Vortec products. V6, Small Block, Big Block and Gen IV LS Series
GM EcoTec3 Products 2014+
GM ECOTec3 products
GM TPI Products
NEWS & TECH
- Howell EFI Adds to Lineup of Gen 4 LS and LSA Swap Harnesses (2008-2014) Engines
- Jeep Farm Howell EFI & DUI Distributor Cherokee FSJ Install Video
- 1990 Jeep Wrangler Howell EFI Install Video By Tinderbox Arts
VIDEOS
BEST SELLERS
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#HM206 – ADAPTOR, O2 SENSOR for Marine usePrice range: $125.00 through $185.00 -
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NEW PRODUCTS
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#HVL81TDA – GEN III VORTEC HARNESS: 2002-07 8.1L w/ Allison Transmission, Drive By WirePrice range: $800.00 through $900.00 -
#HFL6258 – GM 6.2 LSA HARNESS: 2012-2015 Camaro ZL1 58X EnginesPrice range: $800.00 through $900.00 -
#HFL6258T – GM 6.2 LSA HARNESS: 2012-2015 Camaro ZL1 58X EnginesPrice range: $800.00 through $900.00
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#HCL6258T – GM 6.2 LSA HARNESS: 2009-2013 Cadillac CTS-V 58X EnginesPrice range: $800.00 through $900.00
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#HY7058T – LS7 HARNESS: 2006-13 58X EnginesPrice range: $850.00 through $950.00