Availability
On Sale
Earl's Performance LS Steam Vent Adapters
The original GM brazed vent tube manifold does not take into consideration the aftermarket intakes and accessories we put on our performance vehicles. Replace the rigid hard lines with Earl's Performance LS steam vent adapters. These adjustable outlets are O-ring seal adapters designed to convert to -3 or -4 AN plumbing. Earl's steam tube adapters are the most adjustable and lowest profile available. These adapters look as nice as they are installation-friendly. There are several kits available to allow for the optimal routing on your application, including dual outlet options, which eliminate the need for a Tee adapter.
( 18 )
$76.35
$43.03
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$84.55
Earl's Performance LS Oil Pressure Gauge Adapter Fittings
Earl's Performance LS oil pressure gauge adapter fittings are ideal for installing aftermarket oil pressure gauges on GM LS engine swaps. They screw directly into the oil passage on the rear of the block, and options are available to fit most aftermarket sending units or mechanical gauge hoses. Earl's LS oil pressure gauge adapter fittings are manufactured from 2024 T8 aluminum with a black or blue anodized finish. Choose the style and size needed for your application.
( 17 )
$15.79
Earl's Performance Remote Electric Water Pump Plumbing Kits
Earl's Performance remote electric water pump plumbing kits simplify the installation of a remote-mounted electric water pump on your LS Series engine. The special adjustable coolant crossover tubes eliminate tees, Y-blocks, and extra hose ends normally used to make all your connections. The block adapters feature -12 AN O-ring ports for easy maintenance and a leak-free seal. You'll appreciate the simple, clean remote electric water pump plumbing these Earl's Performance kits provide for your LS engine. Kit features, items, and specs include: * Billet aluminum construction with black anodized finish for a great look and corrosion protection * 2 adjustable crossover tubes (fitting centers 6.8 to 10.5 in.) * Block adapters with 1/8 in. NPT ports for connection of the steam tube hose * 2 port fittings * Hardware * Inlet/outlet size: -16 AN male flares * Flexible--inlet/outlets can be on either side of the engine * Overall length 9.8 to 13.5 in. (depending on application)
Not Yet Reviewed
$665.95
Earl's Performance Electric Water Pump Block Adapters
Earl's Performance electric water pump block adapters provide options for mounting a pump on a GM LS engine. The three choices available will either mate a big block Chevy pump to the LS engine or provide easy installation of a remote mounted pump. They're made from black anodized billet aluminum and feature -12 AN O-ring female ports and a 1/8 in. NPT port for easy connection of steam tube plumbing. Earl's electric water pump block adapters include a pair of adapters, gaskets, and mounting bolts. Order the kit recommended for your application.
( 1 )
$177.95
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$204.95
On Sale
Earl's Performance Adjustable Coolant Crossover Tubes
Earl's Performance adjustable coolant crossover tubes simplify the plumbing of a remote mounted electric water pump by eliminating Ts, Ys, and extra hose ends. The design of these special crossover tubes allows for adjustable length—and for use as a coolant inlet or outlet on your engine. They're constructed from billet aluminum with a black anodized finish.
( 1 )
$279.95
$157.80
Earl's Performance Clutch Adapter Fittings
Earl's Performance clutch adapter fittings convert OEM master cylinders, clutch release bearings, and slave cylinders to accept a better replacement for your less-than-perfect OEM plastic hose. These quick-disconnect fittings work perfectly with Earl's Speed Flex hose (not included). They're made from 304 stainless steel or aluminum and include EPDM O-rings. The adapter fittings are offered in several early and late model vehicle styles, straight and 90 degree angle. Check your OEM hose for the proper fit.
( 29 )
$22.11
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$61.45
Earl's Performance Fuel Cell Plumbing Kits
Earl's Performance fuel cell plumbing kits are designed for ARCA/NASCAR truck racing to connect a Holley HydraMat inside a fuel cell to the filler plate. They feature high-quality hose assemblies and fittings designed to prevent fuel starvation during hard cornering. Additional product notes: * Purpose: Specifically designed for internal fuel cell plumbing, connecting the HydraMat to the outlet * Components: Contains pre-made hoses and black anodized fittings * Application: Ideal for racing applications, including NASCAR Truck Racing and ARCA Oval Track * Compatibility: Designed to work with Holley's HydraMat (sold separately)
Not Yet Reviewed
$342.95
Earl's Performance Pressure Gauge Adapters
The ideal way to install a gauge is with Earl's Performance pressure gauge adapters. Offering adapters/couplers in a wide range of sizes, angles, materials, and finishes, you are sure to find exactly what you need. Whether for a fuel or oil pressure gauge, a gauge head adapter to connect your gauges with Earl's lines and fittings, a specific gauge fitting for your LS swap, or any other plumbing situation or custom build, Earl's will get you connected with the precision and performance of their premium pressure gauge adapters. Order the perfect fit for your project from Earl's.
( 69 )
$11.48
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$31.96
Earl's Performance Brake Booster Check Valves
Earl's Performance brake booster check valves replace your OEM plastic valve for a clean, custom appearance. Choose from black or clear anodized finish and three vacuum hose options. The valves fit most brake boosters or vacuum canisters with a 13/16 in. O.D. on booster. Replace that plain, old plastic valve with a more attractive Earl's brake booster billet aluminum check valve. Features: * Machined from billet 6061-T6 aluminum * Anodized black or clear for superior corrosion protection * 90 degree angle * 1/2 in. vacuum hose barb fits most GM LS engines * 3/8 in. vacuum hose barb fits most other domestic and import engines * -06 AN male vacuum hose for use with -AN hose * Valve material: premium FKM (lasts much longer than OEM plastic and rubber valve) * Fits most brake boosters with 0.588 in. port (I.D. of the grommet)
( 7 )
$84.55
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$90.15
Earl's Performance LT Gen-V Oil Pressure Sensor Kits
Earl's Performance LT Gen-V oil pressure sensor kits include special plugs and adapters that are needed when you remove the vacuum pump on GM LT Gen-V 2014-and-up engines. When the vacuum pump is removed, it exposes two passages in the oil galley. These passages are metric straight threads—and they need to be plugged, or used for an oil pressure gauge, or pressure sensor with the Holley EFI system (i.e., Avenger, Terminator X, HP, or Dominator). Choose from an adapter with the 1/8 in. NPT female port, (2) plugs, adapter and plug, or oil pressure sensor for EFI system with plug. Product features: * Vacuum pump delete adapter, plug and sensor for GM LT Gen-V engines * Material: Stainless steel * Metric thread size in block: M12 x 1.75 straight thread with tapered seat * (1) Adapter with female 1/8 in. NPT port; use with sensor * (1) Plug * (1) 200 psi oil pressure sensor with pigtail wiring harness * Ideal for engine swaps and racing applications that don't use the OEM vacuum pump * Sensor is Holley EFI part number 554-103
Not Yet Reviewed
$233.95
On Sale
Earl's Performance Plugs
Earl's Performance carries an extensive line of plugs to perform every job properly. They are available in plastic, stainless steel, and aluminum, hex-head and Allen-head, a variety of shapes, sizes, and thread types--including AN, AN O-ring sealing, and pipe threads. Whatever your vehicle, having an assortment of plugs in your tool chest can be invaluable when you're In the middle of a project. Available options include: * Hand polished and bright dip anodized for great looks and corrosion protection * Precision machined aluminum or stainless steel to assure a proper fit * Choice of anodized aluminum colors * Plastic caps and plugs for blocking fittings when hoses are disconnected and for keeping debris out of stored hoses
( 50 )
$17.23
Earl's Performance Transmission Cooler Line Adapters
Earl's Performance transmission cooler line adapters make your plumb job easier. Integrating into the transmission and adapting to AN lines allows additional tunnel clearance and freedom that the original hard lines cannot. These adapters are available for many plumbing situations and custom applications. They're machined from high-quality materials, including nickel plated steel or billet aluminum with a black anodized finish, and have high-pressure capabilities. Order the adapter size and configuration needed for your application.
( 33 )
$72.55
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