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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.
Summit Racing™ Billet Steel Timing Sets
Trust Summit Racing™ to give you timing sets that will deliver accurate, reliable cam timing. Our billet steel true roller timing sets have rugged double-row, true-roller chains teamed up with billet steel crank and cam sprockets. The crank sprockets have multiple keyways, which allow you to modify your cam timing. Get reliable timing from Summit Racing™ billet steel timing sets.
( 120 )
$101.99
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$237.99
Summit Racing™ Stamped Steel Roller Tip Rocker Arms
Get the horsepower and durability you want at a price that suits you with these stamped steel roller tip rocker arms from Summit Racing™. Formed from heat-treated steel, their long slot design and precision-ground roller will deliver the performance you're after--even in high-lift applications. Each set includes rocker arms, grooved rocker balls, and nuts.
( 90 )
$129.99
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$145.99
Summit Racing™ Cast Steel Roller Tip Rocker Arms
For the hardest working part of your valvetrain, use Summit Racing™ cast steel roller tip rocker arms. Our chromoly steel long-slot rockers will give you a long service life and allow for less deflection and valve guide scrubbing. Each rocker features a precision-ground roller and includes a grooved, heat-treated rocker ball and nut.
( 104 )
$16.99
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$182.99
Proform Stamped Steel Chevrolet Valve Covers
Proform stamped steel valve covers are 20 percent thicker than typical aftermarket valve covers. This greatly reduces the likelihood of leakage around the valve cover flange area caused by fasteners being over-torqued. These heavy-gauge steel covers are officially licensed GM products and bear the Chevrolet logo and Bowtie Emblem, unless otherwise specified. They're available in both tall and short heights, with either a chrome or black crinkle finish. Oil-restricting baffles are offered in many valve covers, for those who want to maintain the PCV hookup; and all covers are supplied with grommets for use with an air breather and PCV valve.
( 318 )
$85.95
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$214.95
Summit Racing™ Steel Valve Spring Retainers
Performance cam designs require performance valve springs to keep everything under control and running smoothly. And modern springs with non-stock diameters require new retainers to handle the recommended higher pressures and installed heights. Summit's® steel valve spring retainers are an affordable solution. Precision-machined from 4140 chromoly and finished in black oxide, these retainers are specifically designed for positive retention and location when combined with performance valve springs. They're available for single, double, and beehive-style spring applications.
( 13 )
$10.99
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$69.99
Eagle Cast Steel Crankshafts
Eagle cast steel crankshafts are the most dependable option when you don't want to break the bank. Each crank is inspected for dimension, size, and stroke accuracy. For improved efficiency and reliability, they have a journal finish of 6 R.A. or less and a target bob weight of +/- 2 percent for easy balancing. The crankshaft is the heart of your engine, so demand the best—order the Eagle Specialty model and performance options recommended for your vehicle year, make, and engine application.
( 190 )
$277.99
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$902.99
COMP Cams Steel Valve Spring Retainers
New valve springs with larger diameters require new retainers to handle the higher pressures developed by the springs. COMP Cams valve spring retainers are the solution. Precision-machined, these retainers are specifically designed for positive location when combined with COMP Cams' valve springs. They're available for single, double and triple-spring applications.
( 168 )
$11.95
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$429.95
Trick Flow® Billet Steel Timing Sets
Trick Flow® billet steel timing sets will provide accurate, reliable timing thanks to the billet steel gears and a double roller timing chain. They come with a 3-position or 9-position keyway that allows you to run the cam straight-up, retarded, or advanced.
( 22 )
$109.99
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$155.99
Ford Performance Parts Stamped Steel Valve Covers
Give your engine bay a custom look! Ford Performance Parts stamped steel engine valve covers are designed "tall" to clear most roller rockers. They also feature recessed Ford Racing, Cobra, or Mustang emblems with inlaid paint for a custom look. Sold in pairs, the valve covers include baffles and oil breather grommets. Choose from a chrome plated or black crinkle powdercoat finish. These are officially license Ford Racing products. Order the valve covers recommended for your vehicle and engine application.
( 16 )
$109.99
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$132.99
Summit Racing™ Steel Rocker Arms
Summit Racing™ steel rocker arms are horsepower builders! These rocker arms can give you that extra lift you've been looking for. They're made from a higher quality, heat-treated steel, and have a longer slot to avoid stud interference. We even include anti-gall grooved pivot balls and locking nuts. You're getting one heck of a deal on horsepower.
( 109 )
$12.99
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$99.99
Eagle Forged 4140 Steel Crankshafts
They're back! Eagle forged 4140 steel crankshafts fill the gap for more needed strength without the big price tag! Recommended for use up to 1,000 hp, these Eagle 4140 cranks will handle the performance demands of your competition engine, keep you on budget, and put a smile on your face! When you need more than a cast crank but don't want to step up to the more expensive 4340 steel model, Eagle forged 4140 steel crankshafts offer a lot of what you need for less dollars.
( 3 )
$645.99
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$940.99
Milodon Stainless Steel Oil Dipsticks
These Milodon stainless steel oil dipsticks are CNC-machined from billet stainless steel to stay bright and rust-free. All dipsticks feature an O-ring seal top and bottom to positively seal against water & dirt. The braided stainless steel hose will flex around headers, tube mounts, and anything else in the way.
( 182 )
$28.95
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$129.95
Howards Cams Double Roller Billet Steel Timing Sets
Howards Cams double roller billet steel timing sets are designed for accuracy and long life. Lightweight by design, these sets feature a billet steel cam sprocket with lightening holes, a heat-treated crank sprocket, and a black oxide coating. They also include large .250 in. diameter seamless roller chains.
( 67 )
$115.99
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$254.99
Proform Stamped Steel Mopar Valve Covers
Proform stamped steel Mopar valve covers offer a heavy dose of visual appeal under the hood. The vintage Mopar emblem has been embossed into each steel valve cover, then hand-painted with a shade of blue that matches engine blocks of that era. Oil-restricting baffles are pre-installed, and the valve covers come equipped with air breather and PCV grommets (unless otherwise specified). Sold in pairs, the covers are offered in chrome plate or black crinkle finishes, and will make a great addition to any Chrysler engine. Order the valve covers in application and finish to make your Mopar stand out!
( 44 )
$84.95
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$127.95
Manley Race Series Stainless Steel Valves
Manley Race series performance valves are a great choice for your bracket, oval track, or high performance street engine. All valves are made from stainless steel (intakes are NK-842; exhausts are XH-426) with chrome stems and hardened valve tips. In addition to being made from high-quality materials, Race series valves are swirl polished and fully machined.
( 77 )
$23.58
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$564.30
Eagle Forged 4340 Steel Crankshafts
Eagle forged 4340 steel crankshafts are great for high performance applications. They feature non-twist forging, undergo a multi-stage heat-treatment process, and are stress-relieved and shot-peened. These cranks are X-rayed, magnafluxed, and sonic-tested, so you know you're getting a top-quality piece. Each crankshaft has chamfered oil holes for improved oiling, a .125 in. radius on rod and main journals for increased strength, and the journals are precision-ground and micro-polished to less than 5 R.A. A target bob weight of +/- 2 percent greatly reduces balancing time. Many options are available; order the model recommended for your year/make and engine application.
( 54 )
$774.99
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$1,471.99
Crower Enduro Stainless Steel Stud Mount Roller Rocker Arms
These proven rollerized rockers from Crower are made from 17-4PH stainless steel with 1025 heat treating. They feature premium oversized needle bearings, sure-lock rocker nuts, and alloy steel tip rollers. Their superior, lightweight body design provides plenty of clearance for large-diameter springs.
( 24 )
$69.99
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$1,147.99
PRW Pro Series Stainless Steel Rocker Arms
PRW Pro Series stainless steel rocker arms are manufactured from lightweight, premium quality 17-4ph stainless steel—a superior alloy high in nickel and chromium. This rigid, premium material provides outstanding fatigue resistance, and high-yield strength to help resist deflection. These rocker arms feature full-cage, friction-reducing needle bearings, and extra-large trunnions to spread out the load and reduce wear. Each rocker body is hand-polished, assembled, and carefully inspected to deliver the finest quality available to the racing and performance industry. Reduce your valvetrain mass with durable, lightweight PRW Pro Series stainless steel rocker arms. Order the set recommended for your specific vehicle and engine size. Features, items, and specs: * Wide assortment of ratios to suit almost any cam profile * Each set of 16 comes complete with PRW RockerLocs * Stud-mount design provides plenty of clearance for large diameter springs * CNC-machined pushrod cups * Heat-treated steel nose rollers and shafts resist severity of racing and minimize scrubbing
( 4 )
$19.50
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$544.10
Trick Flow® Steel Valve Spring Retainers
Trick Flow® steel valve spring retainers are made from hardened 4140 chromoly steel for great performance characteristics and reliability. On top of that, they're black-oxide coated for corrosion protection and good looks. They install at standard height and there are versions available for single or double springs and 7 or 10 degree valve stem locks.
( 13 )
$7.99
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$107.99
Howards Cams Steel Billet Mechanical Roller Camshafts
Howards Cams steel billet mechanical roller camshafts are serious cams for serious performance. Cut from billet steel these high-grade, race-quality mechanical roller cams from Howards are ground on precision equipment to ensure awesome performance. Mechanical roller cams offer aggressive power for all-out competition. They're billet, they're Howards, and they're serious-- mechanical roller camshafts!
( 20 )
$433.99
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$529.99
PRW Sportsman Steel Roller Tip Rocker Arms
PRW Sportsman steel roller tip rocker arms are an ideal choice for a significant cross-section of engines. Anything from a mild street rebuild to the performance demands of off-track, Circle Track, and drag racing. These 4340 chromoly steel rocker bodies feature a longer pivot slot for higher lift camshafts. They're much stronger than stamped steel, so rocker arm flex is negligible. The roller tip minimizes scrubbing from the valve stem pushing forcefully against the valve guide. This reduces friction and frees up an additional 15 to 30 hp over stock models. PRW Sportsman steel roller tip rocker arms are an excellent performance alternative to stock rockers. Order the set recommended for your specific vehicle and engine size. Features, items, and specs: * Wide assortment of ratios to suit almost any cam profile * PRW RockerLocs * Rated at 350 lbs. open spring pressure * Heat-treated pivot balls
( 33 )
$12.31
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$383.77
Howards Cams Chromoly Steel Retainers
Howards Cams chromoly steel retainers are made from 4140 chromoly and then heat-treated for long life. They are available in a variety of lock angles and sizes to suit your needs, from performance street to competition use.
( 6 )
$2.99
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$112.99
Proform Stainless Steel Oil Dipsticks
These Proform stainless steel oil dipsticks feature an ultra-sleek, thin profile to provide maximum clearance. They are CNC-machined from billet stainless steel to stay bright and rust-free. The dipsticks feature an O-ring seal to keep dirt and moisture out, and the braided stainless steel hose will flex around headers, tube mounts, and anything else in the way.
( 24 )
$42.99
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$56.99
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
