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June 2011 Chevy High Performance Bolt-Ons - Performance Gains

The Ultimate Bolt-Ons For Every Street Machine

Apr 28, 2011
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Performance bolt-ons in Chevy High Performance has always been synonymous with horsepower and torque gains, but these days, we’re taking it to a whole new level. Make no mistake, we’re still horsepower aficionados and always will be; only lately, we’re absolutely excited that the general direction of car builds is heading toward complete performance platforms that can also accommodate the added power.

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Yes, we’re talking about cars that can do it all--rip down the quarter-mile with solid 11-second (if not quicker) elapse times, negotiate through a field of cones at the local autocross, all the while being able to drive cross-country or through any number of urban jungles with the air conditioner on full tilt.

Let’s admit it; we’re living in an era of motorsports bliss, where we have access to a wide variety of aftermarket manufacturers, who offer just about anything we’ve ever wanted or could dream up with a complete off-the-shelf service. The real question is how far and how aggressive do you want to go?

Over the next several pages we’re showcasing some of our personal favorites to get your street machine in motion; so check it out, there’s definitely a little something for everyone. --Henry D

G-Body Front Suspension

The Hookup
Where To Get It
UMI Performance 814.857.5400

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These new front suspensions for G-body platforms include upper and lower A-arms with polyurethane bushings, bumpstops, and 4140 chrome-moly cross-shafts. Each upper and lower ball joint holder is CNC-machined and features greasable, low-deflection Delrin bushings. Arms are 1.250-inch mandrel tubing and finished with a brilliant and durable powdercoat.

Second-Gen Camaro Suspension

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The Hookup
$1,789 (starting, front) and $1,839 (starting, rear)
Where To Get It
Chassisworks 888.388.0297

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Chassisworks has every component necessary for a proper second-gen Camaro build. Front subframes are equipped with billet side-engine mounts, motor and mid plates, a selection of rack-and-pinions, multiple control arm sets, three different antiroll bars, spindle options (fabricated, sculpted, or billet), and coilover or air-spring VariShocks in single- or double-adjustable versions. Rears will receive Chassisworks’ g-Link with a bolt-in connector support that has an integrated mount for an adjustable position driveshaft safety loop with room for a dual 3-inch exhaust to run above the assembly. Bolt-in transmission crossmembers and subframe connectors are also available for OEM or Chassisworks front subframe and rear framerails for a rigid platform.

Pro Elite LS7 Aluminum Cylinder Heads

The Hookup
Where To Get It
Racing Head Service 877.776.4323

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These are perfect-fit LS7 heads with a raised intake runner specifically designed for the RHS LS race and GM LSX blocks in both small and large cubic-inch configurations. A 12-degree valve angle is standard along with complete CNC-machined runners (291cc intake port, 93cc exhaust port) to optimize volume, atomization, and velocity. Weight savings can be attributed to the 355T6 aerospace-grade aluminum, which also increases strength; a 0.750-inch-thick deck surface improves high cylinder pressure. The rails have been raised 0.400 inch to allow fitment for aftermarket rockers, while the 0.100-inch raised exhaust ports allow for the use of stock or aftermarket manifolds.

Wireless Remote Coilover Adjust System

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The Hookup
$545 & up
Where To Get It
QA1 952.985.5675

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The system provides the ability to wirelessly tune your QA1 coilover suspension with up to 18 levels of adjustment per channel (324 possible valve combinations with a two-channel setup). This system is controlled by a remote with seven, one-touch preset adjustment setups, all of which may be modified for a custom tuned ride. Presets provide quick and precise valving changes from street to strip to road racing. Install is simple and the Remote Adjust System is even compatible with preexisting single- or double-adjustable QA1s, too.

LS Engine Hi-Ram Modular Intake

The Hookup
Where To Get It
Holley 270.782.2900

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The cast-aluminum intake manifold is designed for LS3/L92 cylinder heads that feature optimized equal-length intake runners for forced induction or naturally aspirated 6.0-7.0L displacement LS engines. The Modular Hi-Ram accepts a wide variety of carburetors or EFI combinations with blank tops, and the ability to mount them in a forward or a backward position. Black anodized AN-8 fuel rails are included for fuel-injected applications.

LS Series Perimeter Nitrous System

The Hookup
Pricing to be announced
Where To Get It
ZEX 888.817.1008

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This race-ready perimeter plate system for LS series applications is compatible with both cable and throttle-by-wire engines. It’s also a direct fit for the new line of FAST LSXR 100mm intake manifolds. This system provides optimum spray efficiency and fuel distribution with nitrous and fuel outlets placed at 12 injection points around the perimeter of the intake manifold’s inlet. Airflow into the engine is enhanced by a pocket of intense low pressure created by the nitrous activation. The wide-open throttle electronic switch and plates are adjustable for an additional 75-300hp punch.

SHP 427ci Short-Block

The Hookup
$5,681 (discounted pricing through dealers)
Where To Get It
Dart Machinery 248.362.1188

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Here’s a complete street or drag race-ready four-bolt main short-block with a serious bottom end that can be shipped to your door. Each Special High Performance (SHP) short-block is professionally engineered with a forged crankshaft, 4340 H-beam rods with 3/8-inch capscrews, 20cc dished forged aluminum pistons, Clevite bearings, and Hastings ring pack. Also, OE-style roller lifters are accommodated with Dart’s priority main oiling system for high-rpm lubrication. Add your choice of cylinder heads and camshaft to personalize your new mill or out it with any number of Dart’s full line of top end kits.

Full Floating Axle Conversion

The Hookup
$1,650 ($1,450 when purchased as an upgrade with rear Baer Claw system)
Where To Get It
Baer 888.310.2692

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This bolt-on conversion kit eliminates axle deflection, minimizes knock back, improves handling, and increases bearing life in both track- and street-use vehicles with live axles. Baer’s kit for Ford 9-inch, Dana, and 10- or 12-bolt applications include precision-machined steel spindles, billet backing plate, and hub assemblies with races, bearings, seals, studs, rotor plate, and related hardware.

Die-Cast Roller Rockers

The Hookup
Where To Get It
Comp Cams 800.999.0853

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If you’re looking for a quality roller rocker without the high price, then look no more. These feature a CNC-precision die-cast body that’s created out of aluminum, with a needle bearing fulcrum and roller tip to help reduce friction and lower oil temps for improved power. These rockers are an ideal solution for street and moderate race use, and are currently available in your choice of 7/16- or 3/8-inch rocker stud sizes in 1.5, 1.6, and 1.7:1 ratios.

Small-Block Supercharger System

The Hookup
Where To Get It
Trick Flow Specialties 330.630.1555

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Trick Flow’s instant power adder is the Magnuson-based MP122 supercharger system for carbureted small-blocks. It’s a Roots design that has been upgraded with intermeshed helical rotors and special port geometry for increased power while maintaining a quiet operation. Systems will fit pre-’87 blocks and come complete with the supercharger, intake manifold, and top plate for square-bore carburetors, crank pulley, idler assembly, distributor clamp, brackets, six-rib belt, including the correct gaskets, spacers, and hardware.

’55-57 12-inch Drop Spindle Disc Brake Kit

The Hookup
Where To Get It
Classic Performance Products 800.830.7657

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This is the most cost effective way to increase handling and reduce stopping distances for Tri-Fives. It’s a 12-inch front disc brake setup that includes a 2-inch drop spindle. Kits include loaded big piston calipers with disc pads, one-piece rotors, bearings, seals, dust caps, spindle nuts, hardware, and rubber brake hoses. This assembly will work with most 15-inch or larger disc brake wheels and does not change the car’s steering geometry.

Drag Radials

The Hookup
$168 & up
Where To Get It
Coker Tire 866.513.2743

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M&H Racemaster Drag Radials are DOT certified, allowing you to drive on the street and go directly to the track. Currently, these are available in a variety of sizes and sized for rims up to 18 inches in diameter. If you purchase the tires with a set of Coker wheels, each set will be mounted and balanced prior to shipping. CHP



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