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Sort By: Price: Low to High Price: High to Low Most Popular Title Manufacturer Newest Oldest Availability 21 per page 42 per page 84 per page 126 per page 210 per page Page of 1 Dakota Digital Speedometer Adapter Speartech Air Intake Kit 4L80E Add-On Harness Our Price: $339.95 Our Price: $300.00 Our Price: $225.00 4L60E Add-On Harness 4L60E to 4L80E Upgrade Harness 4L60E to 4L80E Upgrade Harness (Late Style) Our Price: $225.00 Our Price: $175.00 Our Price: $175.00 6L80/6L90/8L90/10L90 AN Transmission Cooler Manifold Gen 5 LT1 O2 Sensor Extensions Oxygen Sensor Extension Our Price: $140.00 Our Price: $65.00 Our Price: $50.00 ETC Pedal to Module Harness LS1 to LS3/LS7 MAF Adapter LS1 to LS2 MAF Adapter Our Price: $50.00 Our Price: $40.00 Our Price: $40.00 LS2 to LS3/LS7 MAF Adapter CAM Sensor Extension Harness MAP Sensor Extension Harness Our Price: $40.00 Our Price: $40.00 Our Price: $40.00 Knock Sensor Extension Harness OBD2 Dual Outlet Port 4 Pin Alternator Adapter Our Price: $40.00 Our Price: $35.00 Our Price: $25.00 GM LS-Series Engines: The Complete Swap Manual By Joseph Potak Firewall Harness Grommet List Price: $27.99 Our Price: $24.99 Sale Price: $24.99 Savings: $3.00 Out of stock! Our Price: $12.99