Availability
2019 Holley Parts and Accessories
Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog, CANBUS, Sensors, USB Tuning Cable, Chevy, 4.8-6.2L, 4x Cam, 58x Crank, Kit
Part Number: HLY-550-910T
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Controllers, EFI, Black Plastic, Multi Port, Chevrolet. Each
Part Number: HLY-554-150
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Accessory Drive Systems, LT Mid-Mount, Dry Sump, Serpentine, Alternator, Water Pump, Power Steering, A/C, Black Finish, Chevy, Gen V, 6.2L, Kit
Part Number: HLY-20-221BK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT Drive-by-Wire, Chevy, Early LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1620
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coil, O2 Sensor, Plug-and-Play, Tuner, Controller, Dodge, Chrysler, 5.7-6.4L, Kit
Part Number: HLY-550-1225
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Holley Terminator X MAX Engine Management Systems 550-1423
Not Yet Reviewed
Estimated Ship Date: Today
Valve Covers, LS Ford Style, Cast Aluminum, Center Bolt, Plain, Cast Aluminum, Natural Finish, Two-Piece, Chevy, LS, 4.8-7.0L, Pair
Part Number: HLY-241-185
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Intake Manifolds, Gen III, Hemi Hi-Ram EFI, Multi-port, Standard Deck, 95mm Bore, Cast Aluminum, Satin Finish, Dodge, 5.7L, 6.1L, 6.4L, Each
Part Number: HLY-300-658
Estimated Ship Date: Today
Estimated Ship Date: Today
Accessory Drive Systems, Gen III, Hemi VVT, Mid-Mount System, Black Finish, Alternator, A/C, P/S, Water Pump, Bolts, Chrysler, Dodge, 5.7L, 6.4L, Kit
Part Number: HLY-20-291BK
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Wiring Harness, Holley EFI, Gen III Hemi, VVT, Sub-Harness Only, Plug-and -Play, for Terminator X, Terminator X Max EFI, Dodge, 5.7L, 6.4L, Each
Part Number: HLY-558-131
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Rails, Holley EFI, Aluminum, Black Anodized, -8 AN Inlet, Hardware Included, for Hi-Ram, Ultra Lo-Ram, Manifold Base, Ford, 5.0L, Coyote, Kit
Part Number: HLY-534-320
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Intake Manifolds, EFI LT1, Gen V, Hi-Ram, Direct Injection, 3,500-8,000 RPM, 105mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 6.2L, Each
Part Number: HLY-300-140
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Intake Manifolds, Holley EFI, Gen III Hemi, Single Plane, Multi-port, Aluminum, Satin Finish, Chrysler, Dodge, Jeep, Ram, 5.7L, 6.1L, 6.4L, Each
Part Number: HLY-300-930
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Intake Manifolds, Holley EFI, Coyote Hi-Ram, Throttle Body Injection, Standard Deck, 150mm x 66mm Bore, Aluminum, Black, Ford, 5.0L, Modular, Each
Part Number: HLY-300-910BK
Estimated Ship Date: Today
Estimated Ship Date: Today
Intake Manifolds, EFI, LS Mid-Rise, Rectangular Port Head, Multi-port, 105mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 6.0L, 6.2L, Each
Part Number: HLY-300-128
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator and Generators, Gen III, Hemi, Alternator and Relocation Bracket, 150 amp, Serpentine, 12V, Steel Bracket, Black, Dodge, 5.7-6.4L, Kit
Part Number: HLY-97-369
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Throttle Linkage, Dual-Plenum EFI Linkage Kit, 102mm Throttle Bodies, Includes Brackets, Plate, Cables, and Hardware, Chevy, LS, Kit
Part Number: SNE-860030
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Intake Manifolds, LS Split Design EFI, Single Plane, Aluminum, Natural, 4500 Dominator, Chevrolet, LS1, LS2, LS6, Kit
Part Number: HLY-300-294
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harnesses, Holley EFI, Gen V, LT Engine, Main Harness, for Terminator X, Terminator X Max, ECU Only, Chevy, 5.3L, 6.2L, Each
Part Number: HLY-558-129
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Weatherproof Connectors, Holley EFI, Replacement, Hall Effect Sensor Connector, Metripack, 3-pin Female, Black, Pins, Seals, TPA, for 554-118, Each
Part Number: HLY-570-223
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Aluminum LS, Centerbolt, Tall, Plain Top, Cast Aluminum, Black Satin, Baffled, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Pair
Part Number: HLY-241-97
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Gaskets, Replacement, Port Flange, O-ring, Size 2-234, Intake Model 300-255, 300-256, 300-290, 300-291, 8-piece, Set
Part Number: HLY-508-28
Estimated Ship Date: Today
Estimated Ship Date: Today
Accessory Drive Bracket Spacer Kits, Aluminum, Black Finish, Long Alignment, Chevy, Small Block LS, Each
Part Number: HLY-21-3BK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ignition Coil Brackets, Holley EFI, Offset Coil Bracket, Steel, Black Finish, for Holley Valve Covers, High Mount Alternator, Hardware Included, Each
Part Number: HLY-561-132
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Tall -plus 0.54 in. Inside, Centerbolt, Chevrolet Logo, Cast Aluminum, Red Gloss Finish, Baffled, w/Grommets, Hardware, Chevy, LS, Pair
Part Number: HLY-241-404
Estimated Ship Date: Today
Estimated Ship Date: Today
Intake Manifolds, Sniper EFI, Hi-Ram, Rectangular Port, 92mm Throttle Body, 2,200-6,800 RPM, Welded Aluminum, Silver, Chevy, LS, 6.0L, 6.2L, Kit
Part Number: SNE-822031-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster