GMC 3500 Ignitions & Electrical

Holley EFI Dual-Sync Distributors

Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. They're also useful for crank and cam signals when running coil-on-plug applications. Dozens of models are available; order the one recommended for your vehicle/engine application. Some features of Holley EFI dual-sync distributors include: * CNC-machined billet aluminum housings with integrated LEDs for easy setup * Hardened steel distributor gear * Precision-machined shutter wheels that ensure accurate timing—even at very high RPM * Designed to be plug-and-play with Holley systems, but may be used with other EFI systems that support Hall effect crankshaft and camshaft sensors * Housings are available in a variety of finishes

3.35 out of 5 stars ( 37 )

$549.95

MechMan S Series Alternators

MechMan S Series 6-phase alternators offer incredible output in a compact and durable package. The 240 amp models offer the best balance between peak output, and output at engine idle RPM; while the 320 amp models are all about max power and not designed to charge at low idle speeds. Both S Series alternators feature 12 diodes, twin rectifier plates, and outstanding airflow ensure long service life, even in severe conditions. These units come equipped with a smaller 1.75 in. diameter alternator pulley, and will require a slightly shorter drive belt to be installed for proper belt tension. Order the model recommended for your auto application.

4.55 out of 5 stars ( 33 )

$519.00

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$549.00

Summit Racing™ Battery Pro Packs

Summit Racing™ battery Pro Packs combo an Optima RedTop battery, Painless battery cable kit, and a tray/hold-down kit for a complete install in your vehicle. The high performance AGM RedTop is Optima's ultimate starting battery designed to deliver a strong burst of ignition power for a reliable start-up every time. The batteries offer longer life, more vibration resistance, no maintenance, and are virtually spill proof and mountable in most any position. Painless Performance battery cable kits include a red 1-gauge positive and a black 1-gauge negative cable with lightweight abrasion-resistant insulation capable of handling over 250 amps and heavy-duty terminals already installed, side post adapters, and high-amp crimp ring terminals. Their 16 ft. length make them ideal for trunk-mounted batteries and custom installs. The battery tray/hold-downs are made from premium aluminum and chosen to match the battery in the Summit Racing™ Pro Pack selected.

Not Yet Reviewed

$550.97

FAST XDi Race Cam Sync Distributors

FAST XDi Race Cam Sync distributors are an easy solution for those looking to provide an accurate cam sync signal to their aftermarket fuel injection system. Designed for applications that typically use a crank trigger, these distributors enable proper functioning of sequential fuel injection, individual cylinder spark timing, and fuel injector phasing—a must for maximum power and efficiency. Testing has shown the Hall-effect style optical pickup maintains a steady plus/minus 1/2 degree trigger signal, unlike competitors' inductive-style pickups prone to signal drift at high rpm. Ideal for drag racing, high-end street, and marine applications, FAST XDi Race Cam Sync distributors are constructed with a billet housing, precision-ground stainless shaft, and premium bearings. Hand-assembled parts also maintain consistent shaft end play, eliminating another source of triggering fluctuation. Each distributor comes with a precision-machined bronze gear and must be used with a crank trigger and external ignition box. These units are available for a variety of small and big block engine applications.

Not Yet Reviewed

$612.95