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Gen II Hemi Engine Parts & Performance Upgrades

Holley’s Gen II Hemi page offers a comprehensive range of performance upgrades, engine parts, and accessories to boost power and reliability. This includes Holley dress-up parts, MSD distributors, Weiand intake manifolds & water pumps, Hooker Headers, and much more. Breathe new life into your Charger, Challenger, 'Cuda, or other Hemi-powered Mopar product!

Air & Fuel Delivery

Holley is the source for your Air & Fuel delivery upgrades! From Carburetors to the latest in EFI Fuel Injection Systems and Fuel Pumps. We have your products from air cleaners to fuel tanks and everything in between. Sniper EFI has been leading the conversion to EFI for decades!
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Electrical

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Engine

From Ford Flathead to GM Gen V LT, and including everything in between like small-block and big-block Ford and Chevy, Gen III/IV LS, Coyote, Hemi, and more, we have the parts to coax more power out of the engine under the hood of your hot rod.
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Gaskets

Holley has the widest selection of high-quality gaskets you can find. From the intake manifold to the oil pan, and everything between, we have the gaskets to help you get your projects back together and back on the road.
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Ignition

Ignition, Coils, Spark Plug Wires, Distributors, and more from MSD, Holley, Accel, and Mallory! Incredible new exciting products from MSD like the Ultra 6AL, tune-up kits and so much more.
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Transmission & Drivetrain

From Bellhousings, Flexplates and Flywheels to Clutches and Torque Converters. Plus tons of the small pieces needed to button up or couple your transmission and drivetrain.
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Sniper EFI Hyperspark Kit - 413/426W/440/426 Hemi

Plug and play main harness replaces the standard Sniper 1 EFI harness with battery+, battery-, switched 12V, and fuel pump power for a clean installation
HyperSpark ignition coil delivers 135mJ of spark energy during engine combustion
Single Hall Effect sensor provides noise-free RPM signal interference and precise timing control
ECU timing control or non-timing control options (Additional harnesses may be needed, refer to installation manual)
CNC billet aluminum distributor housing provides strength and protection
CNC billet machined distributor shutter wheel delivering accurate cylinder timing and accuracy at high speeds
Distributor shutter wheel is pinned and welded to the shaft for reliable accuracy
Cast distributor gear construction
Patented clear installation cap eliminating confusion and error during distributor install
Integrated ignition coil bracket simplifies mounting the Ignition coil
External LED on HyperSpark ignition box helps verify 12V, cranking RPM, and low battery voltage
Wire retainer for securing spark plug wires
Lucas Racing Performance Gear Break-In Lubricant for protection
Includes distributor, ignition box (565-151), ignition coil (565-152), and harness (558-328)

View HyperSpark Kit w/ 565-306 - Chrysler 413 / 426W / 440 / 426 Hemi

MSD Pro Billet Distributor - 426/440

Smaller diameter CNC machined billet aluminum housing and billet aluminum base clears aftermarket heads and valve covers
Must be used with an MSD Ignition Control
Supplied with small diameter cap with HEI style terminals and race rotor (will accept 8441 Cap-A-Dapt)
Nylon pads ensure smooth operation of the advance weights
Advance weight pins are staked and tig welded to the plate
Mechanical advance assembly can be locked out for crank trigger systems
Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
Polished steel shaft is QPQ coated and guided by two sealed ball bearings
Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
Easy-to-adjust mechanical advance with supplied springs and stop bushings
No CARB Exemption Order Number

View Chrysler 426,440 Pro-Billet Distributor