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Misc. Components

When choosing an EFI system that you plan to put some miles on, the quality of the components you pick can mean the difference between satisfaction and constant problems. Every problem creates extra expense, lost time, and even the possibility of being stranded out in the boondocks. Unfortunately, many aftermarket EFI systems utilize the cheapest components their makers can purchase.

Howell Engine Developments has been assembling and marketing stock replacement and custom EFI systems for 23 years, giving us the unique ability to separate out the best parts from a sea of cheap copycats. We will help you choose the right parts to get you rolling fast and keep you rolling.

Howell carries a complete line of quality support parts for your Central Port, Throttle Body, Multi-Point and Sequential Fuel Injection systems. We stock system specific sensors, ECMs and ECUs, hand crafted wiring harnesses, air filters, E-Proms, Mem-cals and more. Everything you need for a great result that lasts long after the copycats have given out. We also have a line of service manuals and diagnostic tools for a variety of EFI applications.

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Connector Jumpers - ignition switch to coil

CODE: DC221

$15.00
Part # DC221 Molded connector and pigtail for remote GM coil hookup. This connects ignition power and tach to coil.
Connector Jumpers - two wire - distributor to coil

CODE: DC222

$15.00
Part # DC222 Molded connector and pigtail connecting remote coil to small cap GM electronic distributor.
Distributor - Remote Coil Type

CODE: D223

$300.00
Part # D223 Small cap distributor used in all 1987 and later Camaro and Firebird TPI systems, and all 2 barrel TBI engines. New unit. Requires remote coil...
Dual Fan Control Kit

CODE: DF220

$75.00
Part # DF220 Uses 190 degree cylinder head temperature switch and 2 GM fan relays to operate electric cooling fans automatically. Can also be wired to AC... More
Electric Fan Control Kit

CODE: F219

$50.00
Part # F219 Uses 190 degree cylinder head temperature switch and GM fan relay to operate a single electric cooling fan automatically. Controls through relay... More
Electronic Spark Control Module

CODE: ESC207

$60.00
Part # ESC207 Used on 1985-89 TPI systems with MAF sensors and 1987-93 TBIs. Filters signal from the knock sensor so that ECM can retard spark advance when... More
Fuel Filter, High Flow

CODE: FF217

$15.00
Part # FF217 In-line EFI fuel filter with hose nipple ends for ease of installation. Mounts between fuel pump and engine with 5/16" ID hose.
Fuel Pressure Gauge

CODE: PG214

$48.00
Part # PG214 100 PSI gauge with hose and the correct fitting to measure the fuel pressure on your multiport efi engine. Attaches to the Schrader valve on... More
Ignition coil for remote coil distributor

CODE: DC224

$45.00
Part # DC224 GM part, used with all small cap, remote coil distributors No. D223. Standard on 1987 and later TBI and TPI Camaro and Firebird systems.
Manifold or intake air temperature sensor

CODE: MAT205

$22.00
Part # MAT205 Used on LT-1 and Multi-port systems placed somewhere in the air inlet duct.