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Engines & Engine Parts
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
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Holley LS Engine Oil Fill Caps
These Holley LS engine oil fill caps are designed to remove the factory oil fill tube on LS engines and replace it. They are manufactured from glass-filled material to ensure durability. The Holley LS engine oil fill caps include a billet aluminum insert that can easily be painted or powdercoated and a domed Holley decal that can be placed in the insert or directly on the caps' base. The caps screw directly into all stock valve covers and fill tubes on LS2, LS3, LS7, LS9, and LSA engines.
( 2 )
$18.23
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$44.79
PRW Oil Filler Caps
PRW oil filler caps bring high-quality and good looks to your oil filling needs. Made of premium materials and available in multiple finishes to complement your build, these oil filler caps are designed as universal installations. Features include: * Knurled, threaded cap for a no-slip operation * O-ring sealed to prevent vacuum or blow-by leakage * Only requires a flat hole for installation
( 2 )
$27.24
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$27.57
Hybrid Racing V2 Slim Oil Caps
Hybrid Racing V2 slim oil caps are an elegant balance of form and function. Taking inspiration from fuel doors used by the aerospace industry, these caps are clean in appearance, provide improved valve cover to hood clearance, and are super easy to remove. Plus, they are for use on all Honda® and Acura® vehicles, and are available in Dust Black or Dust Red with inner design machining and crisp etching. Order your color today!
Not Yet Reviewed
$85.49
Holley Sniper Engine Oil Fill Caps
Holley Sniper engine oil fill caps provide function and style. Designed for Holley's popular fabricated valve cover kits, the caps are available in two styles—smooth top with knurled edge or a more traditional look with finger notches. Available in black or silver, all caps offer a good grip and a fresh appearance under your hood. Choose the style and finish you prefer.
Not Yet Reviewed
$33.48
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$35.90
Eddie Marine Oil Cap and Bung Sets
Eddie Marine oil cap and bung sets can be welded or bolted on your valve covers. Choose machined, polished, or one of the many anodized or Fusioncoated colors to finish your screw-in oil fill bung and cap with style.
( 1 )
$42.95
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$46.95
Rein Automotive Engine Oil Filter Housing Caps
Rein Automotive engine oil filter housing caps fit European vehicles the way the original manufacturer intended. Designed to match or exceed the OE materials, they are available as direct-fit replacements for the specified vehicles. If your filter housing cap is difficult to remove or reinstall due to wear, select a new one from Rein for your vehicle. Additional features: * Prevents moisture and debris from entering and contaminating the system * Manufactured to strict engineering standards/specifications in materials and tolerances * Produced by an original equipment supplier.
Not Yet Reviewed
$13.50
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$32.99
Eddie Motorsports Oil Cap and Bung Sets
Want to make your motor stand out? Finish off your engine bay area with the high-tech style of Eddie Motorsports oil cap and bung sets. The precision-machined, weld-in oil fill cap and bung sets can be welded to a valve cover or your aluminum oil tank. The bungs include a threaded, polished aluminum screw-in cap to complete the installation and take your motor to the next level.
( 6 )
$38.95
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$46.95
ModQuad Racing Dipsticks
ATV accessories have an enhanced look, thanks to ModQuad Racing. Their line of dipsticks, for instance, is crafted from top-quality 6061 billet aluminum, and then polished to a mirror-like shine or anodized with a red, blue, or black finish. Each dipstick is attached to a screw-in oil cap, and most include an O-ring seal. ModQuad Racing dipsticks are available for fitment on a variety of sub models from makers such as Yamaha, Honda®, Kawasaki, and Suzuki. Now, when you check your engine oil, you'll be holding all-terrain parts excellence!
Not Yet Reviewed
$31.99
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$33.99
PRW Rocker Arm Adjuster Screws
PRW rocker arm adjuster screws are designed to thread into your rocker arm. They are made of hardened steel and feature a black oxide finish for maximum durability. The screws can be adjusted to the pushrod by using the internal Allen head and the 12-point locknut.
( 8 )
$3.38
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$88.11
Scat Pro Comp I-Beam Connecting Rods
These Scat I-beam connecting rods incorporate all of the best features possible for an I-beam rod, including some strength adders found in H-beam designs. Scat Pro Comp I-beam connecting rods are profiled with clearance for long stroke applications. These connecting rods feature a one-rib cap design for added strength and bearing support, polished beams to eliminate stress risers, and special hollow dowels with huge 7/16 in. ARP cap screw bolts to greatly increase strength and horsepower capabilities.
( 63 )
$72.99
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$678.99
Harland Sharp Rocker Arm Pushrod Adjusting Screws
Harland Sharp rocker arm pushrod adjusting screws are designed to thread into your rocker arm. They are made of hardened steel and feature a black oxide finish for maximum durability. The screws can be adjusted to the pushrod by using the internal Allen head and the 12-point locknut.
( 7 )
$52.99
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$72.99
Eagle H-Beam Connecting Rods
Free your engine's horsepower on the wings of Eagle H-beam connecting rods. Their 2-piece, forged, vacuum-degassed, 4340-certified steel construction provides outstanding strength, while still weighing much less than stock rods. Each rod is multi-stage heat-treated, X-rayed, sonic-tested, magnafluxed, 100 percent machined, and then shot-peened to stress-relieve the metal. The rods have precision cap alignment sleeves to positively locate each rod cap, silicon bronze bushings for floating pin models—and are available in stroker models that allow additional cam-to-rod clearance for large stroke combinations. They come standard with 190,000 psi rated ARP 8740 and 230,000 psi rated ARP 2000 rod bolts, or 265,000 psi rated ARP L-19 bolts as upgrades. Instructions and rod bolt lubrication are included. Order the model designed for your vehicle year/make and engine application.
( 83 )
$122.99
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$864.99
Callies Compstar Connecting Rods
Better by design, Callies Compstar connecting rods offer high performance and a trouble-free engine build. Concerns about out-of-round, big-end bore sizing, repeatability, time-saving details, and upgrade costs are a thing of the past. Their forged 4340 steel rods are put through a lengthy stress-relief process and burnishing of threads and bolt spot faces to ensure dimensional repeatability, no matter how many times rods are torn down and reassembled. Pin bushings are chamfered and honed, parting line edges are generously chamfered, and bearing locating tab slots are deburred, all in an effort to save you time and trouble. ARP 2000 bolts and stroker clearances are standard with Compstar rods. Choose either their original H-beam design or heavy-duty I-beam designed rods. For high performance use right out of the box, plus value and peace of mind, try Callies Compstar connecting rods.
( 20 )
$404.00
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$1,120.00
Summit Racing™ Performance Connecting Rods
Summit Racing™ Performance 4340 forged steel connecting rods come in a variety of applications and options. From a light rod street-strip cruiser to a beefy rod for a 1500 hp big block, you will find just the rod for your combination. As always, Summit Racing™ connecting rods are packed with great features at the best prices. Options and features: * Chevy, Ford, Chrysler, and Pontiac * Big and small blocks * Multiple lengths * H-beams and I-beams * Through-bolts to cap-screws * Press-fit to full-floating * Multiple grades of rod bolts from 8740 through L-19
( 43 )
$83.99
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$799.99
On Sale
Moroso No-Weld Oil Fill Cap Kits
Moroso no-weld oil fill cap kits provide an easy way of adding an oil fill to a valve cover without welding. And, since no welding is required, there is no possibility of heat damage. They're constructed from 6061-T6 billet aluminum with an O-ring and a finger grip cap with a black anodized finish and the Moroso logo.
( 7 )
$69.99
$62.99
Scat Pro Stock I-Beam Connecting Rods
Scat Pro-Stock I-beam connecting rods incorporate all of the best features possible for an I-beam rod, including some strength-adders found in H-beam designs. They are profiled with clearance for long stroke applications. These connecting rods feature a one-rib cap design for added strength and bearing support, and special hollow dowels with ARP cap screw bolts to greatly increase strength and horsepower capabilities.
( 60 )
$74.99
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$579.99
ARP Pro Series Connecting Rod Bolts
ARP Pro Series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. They are heat-treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high-combustion engines.
( 73 )
$17.99
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$348.99
Scat Pro Sport H-Beam Connecting Rods
These H-beam connecting rods are the strongest Scat connecting rods available. These Scat H-beam connecting rods are perfect for supercharged and nitrous applications. These rods incorporate a special doweled cap for specific cap-to-rod alignment and are profiled with extra clearance for stroker applications.
( 43 )
$98.99
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$944.99
Earl's Performance Vented Oil Fill Caps
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 )
$31.96
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$45.60
Manley Steel H-Beam Connecting Rods
Manley steel H-beam connecting rods are made from forged 4340 steel alloy. They're packed full of performance features, such as a compact uniform-grain structure for ultimate strength, full machining, stress relieving, and magnafluxing. The wrist pin and big end bores are honed to a +/-.0002 in. tolerance, and the wrist pins get a bronze alloy bushing. These units include cap screw ARP 8740 alloy rod bolts, and each rod set is weight-matched to within 2 grams. Available individually or in a set, order the model recommended for your vehicle year/make and engine application.
( 10 )
$99.56
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$1,845.22
Dorman Oil Filter Canister Caps
Your oil filter is a key component in keeping your engine running smoothly. These Dorman oil filter canister caps are made of materials that meet or exceed your original equipment. Make sure that you keep your ride at its peak performance with Dorman oil filter canister caps.
( 2 )
$64.95
Manley Pro Series I-Beam Connecting Rods
Manley Pro Series I-beam connecting rods are forged from 4340 aircraft-quality vacuum degassed material. They're fully machined to produce the strongest rods possible. These rods are shot-peened to Mil specs and are 100 percent individually magnafluxed. They feature 7/16 in. ARP cap screws with 12-point heads and your choice of material grade to maximize your needed tensile strength! Manley Pro Series I-beam connecting rods are available in various sizes for a wide range of vehicles and horsepower ranges from 850 to 1,600 hp. Match up your specs, then order an individual rod or a larger set quantity.
Not Yet Reviewed
$222.32
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$3,856.90
Summit Racing™ Billet Vented Oil Fill Caps
Summit Racing™ billet vented oil fill caps provide an easy solution to vent your engine to an oil separator or catch can. They install into the valve cover like a standard oil fill cap and feature a baffled -10 ORB or -16 ORB internal port, allowing you to plumb a hose directly to the catch can or tank without ever having to modify the valve covers. Machined from billet aluminum, the screw-in or twist-in caps are available with a black anodized or natural mill finish.
( 8 )
$20.99
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$26.99
Spectre Performance Valve Cover Oil Fill Caps
Spectre valve cover oil fill caps are designed to be pushed into your standard 1.25 in. valve cover breather hole. They include a rubber grommet and can be installed in just seconds. The caps are available in your choice of steel or aluminum, so you can match up what's best for your engine style.
( 29 )
$9.99
