Holley Premium Mid-Mount LS7 Complete Accessory System 20-190

Holley (20-190): Premium Mid-Mount LS/LS7 Complete Accessory System

Holley’s premium mid-mount complete accessory system has all accessories pulled in tighter than other accessory drives. At the heart of the system is a patent-pending “bracketless” design that allows the accessories to bolt directly to the water pump for a clean, integrated form factor. The design offers superb engine visibility to show off your horsepower—not your accessories.

When Holley says “complete,” they mean it. Full of swap-friendly features, this mid-mount system comes with everything you need, including the water pump, A/C compressor, alternator, P/S pump with reservoir, crank damper, all pulleys and belts, heater hose adapters, power steering to -6 AN hardline, and the alternator plug/harness. Color graphical instructions walk you through every step of the ultra-easy installation. The 20-190 system is ready for the racetrack or the street.

Features

  • Fits LS7 and LS engines with dry sump and without supercharger.
  • Bracketless accessory mounting with easy assembly.
  • Bottom outlet heater hose options for swap application clearance.
  • LT1-style hairpin 150-amp alternator and water pump cartridge design.
  • Compact SD7 A/C compressor.
  • Type II power steering pump with baffled reservoir.
  • P/S adapter hardline to AN -6 adapter.
  • Steam tube input port and billet tensioner cover.
  • Shortened top outlet nipple for more radiator hose turns and routing room.
  • OE pulley ratios for optimal accessory performance.
  • No adapters/spacers required.
  • Billet alternator and compressor pulley covers.
  • SFI-certified damper with hard anodized billet crank pulley.
  • Works with all common aftermarket and factory throttle bodies and intakes.
  • Works with Hooker turbo manifolds.

Holley Premium Mid-Mount LS7 Complete Accessory System 20-190

Ready to buy? Need help with the install? To find your nearest Performance Corner® affiliate, see our Store Locator. Or join the conversation at the Performance Corner® Facebook page!

Though this is not a paid review, this content has been produced by The AAM Group in support of suppliers with whom it has a business relationship.

Holley: Finned and Trussed Valley Covers for GM LS Engines

Holley continues to expand its GM LS engine lineup with new aluminum valley pan covers for LS1/LS6 and LS2/LS3/LS7/LSX GM LS engines. Available in either the classic finned design to match Holley’s popular finned line of valve covers or a new trussed design for a race-inspired look.

These covers are either die-cast or billet aluminum to ensure a high-quality, high-detail part. Provisions for factory oil pressure sender are cast or marked on the bottom of the cover. Five different finish options available!

Finish Options

  • Natural Cast (ready for custom paint)
  • Polished
  • Satin Black (with light texture)
  • Factory Orange
  • Gloss Red

Features

  • Aluminum valley pan covers fit LS1/2/3/6/7/X GM LS engines.
  • Available in finned or trussed design.
  • Made from die-cast or billet aluminum.
  • Marked/cast with provisions for factory oil pressure senders.
  • Available October 30, 2016!
Holley: Finned and Trussed Valley Covers for GM LS Engines
Holley: Finned and Trussed Valley Covers for GM LS Engines

Ready to buy? Need help with the install? To find your nearest Performance Corner® affiliate, see our Store Locator. Or join the conversation at the Performance Corner® Facebook page!

Though this is not a paid review, this content has been produced by The AAM Group in support of suppliers with whom it has a business relationship.

Holley (241-112): Tall LS Aluminum Valve Covers – Satin Black

If you’re ready to add a custom look to your engine bay, 241-112 Tall LS Valve Covers from Holley will set you apart from the crowd. Adding to Holley’s already-impressive lineup of LS engine components, this product is designed to add 0.54” of internal clearance over factory height valve covers.

Boasting Holley’s signature integrated angled coil mounts, these covers fit LS1, LS2, LS3, LS6, and LS7 engines using coils with a standard LS3 bolt spacing of 72 mm. They come ready to install with an OE-style baffle and ventilation system and lengthened factory-style mounting hardware, and include a billet aluminum oil fill cap. Satin black finish.

  • Angled coil mounts deliver a smooth, clean look.
  • Retain the high-tech look and performance of “coil on cover.”
  • Eliminate unsightly OE-style coil brackets.
  • Billet aluminum oil fill cap.
  • Reuse original gaskets and bolts.
  • Compatible with LS1, 2, 3, 6, and 7 coils with 72 mm bolt spacing.
  • Add 0.54” internal clearance over factory covers.
  • Proven OE-style baffles and vents.
  • 241-112 features a satin black finish; other finishes include polished, glass red, and natural cast.
Holley (241-112): Tall LS Aluminum Valve Covers - Satin Black
Holley (241-112): Tall LS Aluminum Valve Covers – Satin Black

Ready to buy? Need help with the install? To find your nearest Performance Corner® affiliate, see our Store Locator. Or join the conversation at the Performance Corner® Facebook page!

Though this is not a paid review, this content has been produced by The AAM Group in support of suppliers with whom it has a business relationship.