Availability
Earl's Performance LS steam vent kits eliminate trapped air and steam from your engine to prevent hot spots and overheating. They offer a selection of these LS power plumbing kits, with the appropriate braided stainless steel Speed Flex hose with hose ends that make installation easier and much more attractive than OEM hard lines. Plus, they provide more flexibility when you're using aftermarket intakes and other accessories on performance vehicles. The kits are available in front and 4-corner plumbing options, with adjustable anodized aluminum steam vent adapters and/or distribution blocks. Plumb your LS for performance with Earl's steam vent kits.
( 5 )
$190.95
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$349.95
Many installations, particularly oil cooler installations, require the oil filter to be relocated. Earl's has bypass adapters for most spin-on and many bolt-on applications. They're designed to be quick and easy to install.
( 13 )
$127.95
On Sale
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 )
$82.45
$41.99
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$76.45
On Sale
Earl's Performance oil cooler adapters replace the OEM oil filter housing. These oil filter bypass adapters allow for the installation of a remote oil filter and optional oil cooler. Their billet construction is black anodized and stainless hardware is included. They use O-ring seals for a leak-free installation.
( 15 )
$165.95
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$349.95
Earl's Performance cylinder headbolt kits are made from premium quality 170,000 psi chromoly alloy steel (about 15 percent stronger than Grade 8). These headbolts are reusable and are the ideal way to upgrade the performance of your engine, and eliminate the hassle and cost of replacing OEM-style torque-to-yield style bolts each time the cylinder heads are removed. Order the kit recommended for your year, make, and engine application. Features include: * Material—chromoly alloy steel * Yield strength—170,000 psi * Finish—black oxide * Reduced wrenching size—provides extra socket clearance * Choose from 12-point or hex head-styles * Wide flanged head provides more support for the extra-thick chromoly washers * Includes premium headbolts, washers, and anti-seize lubricant * Sold in complete engine sets * Reusable headbolts and washers (not torque-to-yield)
( 8 )
$127.95
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$280.95
On Sale
Earl's Performance offers a complete line of power steering adapter fittings to accommodate a variety of thread sizes to plumb your pump. Earl's offers the most complete line of adapter fittings in the industry.
( 23 )
$49.95
Earl's Performance PCV fittings for GM LS allow easy installation of a catch tank on the GM LS racing engines that have a PCV fitting on the OE valve cover. These breather adapter fittings have a 3/4 in. O.D. that fits into the OE grommet instead of the stock PCV fitting. Choose from fittings with -8 AN or -10 AN male flare. They're ideal for use in racing applications that require the use of a catch tank.
( 9 )
$15.24
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$16.81
Earl's Performance oil cooler block-off plates are billet covers—built with an extra 1/8 in. NPT port that can be used for an oil pressure gauge or a turbo oil supply port. The 1/8 in. port is located on the top to provide extra header clearance. These oil cooler block-off plates are designed to fit most GM LS/LT oil pans. Earl's Performance oil cooler block-off plate feature: * Billet aluminum construction with black anodized finish * Includes block-off plate, O-ring seal (no gasket required), and mounting screws
( 9 )
$56.19
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$63.15
Earl's Performance vented oil fill caps eliminate the need to modify your valve covers when adding a catch tank to your racing engine. These caps are required by most sanctioning bodies in racing applications. Choose from two versions—one that fits OEM valve covers (GM LS, GM Gen-V LT, and Ford Coyote); or the version designed to fit Holley cast aluminum GM LS valve covers. These billet aluminum vented oil fill caps feature a black anodized finish. Order the vented oil fill cap that best suits your application. Additional features and specs: * Internal baffle inside cap to help reduce transfer of oil to catch tank * Screws into valve cover like ordinary oil fill cap * -10 ORB (7/8 in.-14 straight thread) O-ring boss port for use with AN hose to catch tank or PCV * Use with O-ring port hose end AT849010ERL; or O-ring adapter AT985010ERL (straight) or AT949010ERL (90 degree)
( 9 )
$44.49
On Sale
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
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$318.95
$153.95
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$175.95
On Sale
Earl's leads the way for LS engines! OE water pumps come with push-on barbs for clamping the standard radiator hoses. Push-on hose connections just don't meet the demands of extreme performance. Earl's LS water pump adapter kits convert both the inlet and outlet to -20 AN fittings. The kits work with all LS water pumps; an O-ring adapter plate is included that upgrades early LS water pumps to the later, less restrictive style of thermostat. Features include: * Billet aluminum and stainless steel components * Anodized protection on aluminum components * Requires thermostat upgrade on early LS water pumps * Welding required
Not Yet Reviewed
$163.95
$90.95
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
$228.95
Get a quick oil warm-up! Earl's Performance billet aluminum sandwich-style oil thermostats facilitate a quick oil warm-up. They mount between the oil filter mounting boss and the oil filter itself.
( 7 )
$187.95
Earl's harmonic balancer bolts are made from high-quality 4135 chromoly steel with a 180,000 psi rating. The extra-tall, 12-point bolt head won't strip or allow the socket to slip off when turning over the engine. The bolts include an extra-thick, large-diameter washer, and the bolts and washers are black oxide coated.
( 3 )
$57.89
On Sale
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 )
$16.81
Earl's Performance offers handy kits with all parts needed to install a mechanical oil pressure gauge on most engines with a 1/8 in. NPT, 1/4 in. NPT, or 1/8 in. BSPT (British Standard Pipe Thread) port on the engine block. Kits include the extended oil pressure adapter, BSPT adapter, reducer, pre-made -3 AN Speed-Seal hose assembly, and two adapters for the gauge end of the hose. The braided stainless steel lines are available in different lengths. These kits are ideal for engine swaps and race cars that use a mechanical oil pressure gauge. Product details at a glance: * Kit includes adapters and hose for mechanical oil pressure gauge on most engines * Includes most common adapters needed for installation of gauge * Block adapters: Extended Oil Pressure Gauge Adapter -3 AN to 1/8 in. NPT (968803ERL), and 1/8 in. BSPT to 1/8 in. NPT female adapter (968698ERL) * Reducer bushing: 1/4 in. NPT male to 1/8 in. NPT female (SS991201ERL) * Pre-made crimped style Speed-Seal hose assembly -3 AN straight to 90 degree ends * Gauge adapters: -3 AN to 1/8 in. NPT female straight and 90 degree (968703ERL and 968603ERL) steel with nickel plating * Ideal for plumbing mechanical oil pressure gauge with 1/8 in. NPT inlet port
( 1 )
$66.59
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
$649.95
Brake bleeding has always been an inconvenient and messy job--until now. Earl's Solo-Bleed bleeder screws will solve both problems. As direct replacements for the OEM bleeder screws, Solo-Bleeds allow you to safely bleed your brakes by yourself without the mess, and without the chance of air inclusion. They come available in many different sizes to fit virtually any vehicle.
( 22 )
$37.43
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$46.61
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 )
$70.79
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 )
$173.95
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$199.95
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