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Take complete control of your engine's potential with the high-performance wiring harnesses from Haltech. Our collection offers a perfect solution for various applications, from dedicated race cars and engine swaps to enthusiasts seeking a smoother upgrade experience.
127 products
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Nexus S2 Plug 'n' Play Adapter Harness Kit - Honda EP3 HT-212302
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Honda Civic EP3 02-05 and Integra DC5 / Acura RSX 02-04. Manual transmission only. (Does not support factory multiplexed coolant temperature gauge, battery light and AC request... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - Mazda MX5 NB HT-212303
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Mazda Miata (MX-5) NB ADM Special Edition (Factory Turbo), USDM Special Edition (Factory Turbo), VCT, Non-VCT (00-04 Aust, 01-05 USA). 3-plug, 3-row factory ECU. Manual transmission only.... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - Nissan Silvia S14 S1ZENKI HT-212304
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Nissan Silvia S14 S1 "ZENKI" Manual transmission only. Includes: Nexus S2 ECU, Injection molded plastic plug 'n' play adaptor harness, M14 x 1.5 air temp sensor with matching... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - Subaru WRX MY99-00 HT-212304
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Subaru WRX MY99-00 (Australian Delivered and JDM) Manual transmission only. Includes: Nexus S2 ECU, Injection molded plastic plug 'n' play adaptor harness, M14 x 1.5 air temp sensor... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - Mazda RX7 FD S7 & 8 HT-212306
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Mazda RX7 FD3S-S7&8 (96-02) 4 row ECU plug. Manual transmission only. Includes: Nexus S2 ECU, Injection molded plastic plug 'n' play adaptor harness, M14 x 1.5 air temp... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - Mazda RX7 FD S6 HT-212307
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Mazda RX7 FD3S-S6 (92-95) 2 row ECU plug. Manual transmission only. Includes: Nexus S2 ECU, Injection molded plastic plug 'n' play adaptor harness, M14 x 1.5 air temp... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - Honda S2000 (AP1 / AP2 ) HT-212314
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Honda S2000 AP1 (00-04), AP2 (05) Non-DBW Includes: Nexus S2 ECU, Injection molded plastic plug 'n' play adaptor harness, M14 x 1.5 air temp sensor with matching plug... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - Nissan Silvia S13 SR20 HT-212315
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Nissan Silvia S13 and 180SX (SR20DET) Manual transmission only. Includes: Nexus S2 ECU, Injection molded plastic plug 'n' play adaptor harness, M14 x 1.5 air temp sensor with... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - Mazda MX5 NA HT-212316
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Mazda Miata (MX-5) NA 1.6L and 1.8L with 2-plug, 2-row factory ECU. Manual transmission only. Includes: Nexus S2 ECU, Injection molded plastic plug 'n' play adaptor harness, M14... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - Nissan Silvia S15 HT-212317
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for Nissan 200SX/Silvia S15 (Australian Delivered and JDM) 200SX/Silvia S14A S2 "KOUKI" 180SX S13 Rev 3 "Type X" 1996 onwards Pulsar N15 and N14 SSS and GTI-R Micra... -
Nexus S2 Plug 'n' Play Adapter Harness Kit - VW/Audi 1.8T AWP HT-212325
Sale price $2,883.00Regular price $3,035.00Suits: Plug 'n' Play replacement of the factory ECU for VW/Audi 1.8T AWP ONLY (2001-2006) Volkswagen Golf Mk4 GTI, Bora/Jetta, Beetle, Polo GTI, Audi A3, A4 Quattro Sport, TT Mk1 (8N), Skoda Octavia vRS & SEAT Leon,... -
Nexus S3 Plug 'n' Play Adapter Harness Subaru WRX / STI MY11-19 (ADM) HT-186300
Sale price $703.00Regular price $740.00Suits: Plug 'n' Play replacement of the factory ECU for Subaru WRX STI VA MY11-19 Australian Delivered. ( Includes WRX STI GE/GH MY11-14 (ADM), WRX GV/GR MY11-15 (ADM), and WRX STI GE/GH MY 11-14 (ADM) Manual Transmissions...
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Kelford Competition Bundle: 218-C (296) Camshafts & KVS40-EXTREME Springs BA BF FG Falcon
Regular price $2,291.00 -
Kelford Cams Performance Bundle Saver for Ford Barra BA BF FG Falcon 218-b (280) + KVS40-K
Regular price $2,166.00 -
Turbocharged Savings: Pulsar Turbo & Wastegate Bundle Saver
Regular price From $2,124.00 -
Haltech BUNDLE SAVER- Elite Pro Plug-in ECU for Ford I6 "Barra" + Onboard Wideband Sensor Kit + IC-7 Dash
Sale price $5,290.00Regular price $5,598.00