Summit Racing SpeedCard - learn how to get 10% back up to $100

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9 Results Found For "Center"

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World Products Sportsman II Heads

Originally introduced in 1987, the latest versions of these Sportsman II heads from World Products continue to be the industry's most popular cast iron cylinder heads. Features include high-flow 200cc RightCast intake runners, Fast-Burn combustion chambers, and your choice of angled or straight spark plug locations. The ports are extra-thick with plenty of room for porting, and the heads are indexed off the chambers to ensure perfect alignment with the cylinders. Other features include universal end pads that'll accept all early and late model accessories, leak-free machined valve cover rails, and the ability to accept both perimeter and center bolt style valve covers. They are available in bare or complete assemblies with stainless steel valves, valve springs, retainers, locks, umbrella-style valve seals, screw-in studs, and pushrod guideplates.

5.0 out of 5 stars ( 4 )

$948.99

$994.84

PROMAXX Performance Vortec 185cc Iron Cylinder Heads

PROMAXX Performance goes one up with their Vortec 185cc iron cylinder heads. Popular with street/strip enthusiasts and Circle Track racers, PROMAXX designed these heads to work well on 350-383 applications. They're available bare or assembled; both feature screw-in studs and large diameter spring pockets. In addition, they both accept centerbolt and perimeter bolt valve covers—and are drilled for Vortec and carbureted intake applications. Greater performance at the right price!

2.79 out of 5 stars ( 14 )

$822.00

Manley Pro Series Crankshafts

Manley Pro Series crankshafts can make your short block bulletproof. They feature forged 4340 construction and undergo a multi-step heat-treatment process and are then nitrided for added strength. The crankshafts are stress-relieved, shot-peened, and magnafluxed. Manley Pro Series crankshafts have micro-polished large .125 in. radius journals, gun-drilled mains, and lightened rod journals for weight reduction. The counterweights are fully profiled and they are designed for internal balancing.

4.89 out of 5 stars ( 9 )

$873.46

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.

4.46 out of 5 stars ( 52 )

$1,034.99

$1,039.99

World Products S/R Torquer Cylinder Heads

Bolt on a set of affordable World Products S/R Torquer heads and add some serious muscle to your small block Chevy—up to 30 horses over stock. The heads are available bare or assembled for a variety of applications. These cast iron heads feature: * Power-building 170cc intake runners * Dual-pattern raised, leak-free valve cover rails * Tapped for screw-in rocker arm studs * 2.02 in. intake/1.60 in. exhaust valves * Umbrella valve seals * 1.250 in. valve springs * 7 degree retainers and locks

3.0 out of 5 stars ( 2 )

$891.04

World Products Motown 220 Cylinder Heads

Designed to provide even greater increases than World Products' own Sportsman II heads, the Motown 220 cylinder heads rate as the ultimate small Chevy cast iron heads. Features include high-tech 64cc combustion chambers, 220cc intake runners capable of excellent flow and velocity, high-flow ports, and standard 2.055 in. diameter intake valves. They're ideal for large-displacement small blocks (383 or larger), and are available in bare or complete assemblies with valves, retainers, screw-in studs, guideplates, and your choice of 1.440 in. or 1.550 in. valve springs.

3.0 out of 5 stars ( 1 )

$948.99

$1,048.63

World Products S/R Cylinder Heads

World Products S/R cylinder heads make it easy to rebuild your engine affordably. They feature hardened steel exhaust seats compatible with unleaded gasoline, extra-thick decks and walls for improved reliability, tapped for screw-in rocker studs, and machined valve cover rails to eliminate leaks. The heads are available bare or assembled for a variety of applications. With the strength, reliability, and great price of these cylinder heads, there's no reason to bother with worn-out junkyard castings or new OEM castings—you can depend on World Products to help you do it right.

4.67 out of 5 stars ( 3 )

$882.79

$891.04

PROMAXX Performance OE-Replacement Jeep Inline Cylinder Heads

PROMAXX Performance OE-replacement Jeep inline cylinder heads offer direct bolt-on power. Developed and designed from factory castings, these iron heads feature hardened valve seats and heavier-than-stock castings to resist cracking and warping. They replace your stock components and restore original performance. Once again, your rig will be readied to take on aggressive off-road adventures. The heads are available complete with valves and springs. Order the model recommended for your engine application.

3.0 out of 5 stars ( 3 )

$937.00

On Sale

APR Engine Covers

The 2.0T EA888.4 found in the MQB EVO / MK8 platform has possibly the most underwhelming engine cover to grace the 2.0T since its inception generations back. Some vehicles even came with no cover at all due to the fact the flimsy and floppy factory cover could pop off and catch on fire. APR fixed this with a new ridged carbon fiber design that's drop dead gorgeous. Available in Gloss Carbon Fiber Twill, and Exotic Gloss Forged Carbon Fiber, the new covers are sure to turn heads. They match the overall shape and theme of the factory cover, but ooze aesthetic appeal, thanks to the carbon fiber materials, red and black accents, and of course, the world-renowned APR logo plate. The engine covers look right at home in an otherwise stock engine bay, but shine when paired with an APR intake system and matching intake cover. Simply plug and play, no tools necessary! Of course, it doesn't affect emissions, and some on the internet have even suggested the covers may add horsepower, at least more than stickers do Additional features: * Significantly enhances the appearance of the engine bay * Reduces weight by 42 percent over stock (MK8 Version) * Enhances vehicle performance with weight reduction * Reduces weight over the front axles * Optimizes weight distribution * Emissions compliant

Not Yet Reviewed

$899.95

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