Availability
Fit any LS engine with Chevrolet Performance LS3 cylinder heads. Manufactured from aluminum alloy, these GM stock replacement heads are assembled with intake and exhaust valves, stem seals, retainers, springs, and locks. Great cylinder head airflow has always supplied the LS Series with exceptional performance. Retain that performance and save yourself time and worry by replacing your tired cylinder heads with Chevrolet Performance LS3 cylinder heads.
( 4 )
$1,069.03
Trick Flow engineers used the best features of OEM GM LS3 and LS7 cylinder heads, combined with their own race-winning engineering and technology, to create the GenX® 255—the ultimate ultimate square port LS cylinder head for 4.000" and larger bore engines. The heads feature fully CNC Competition Ported runners with a premium high resolution surface finish for maximum airflow and performance potential. Stock LS3 ports accommodate LS3-style intake manifolds and LS9/LSA blower assemblies. The valve angles have been changed from 15° to 12° to increase piston-to-valve clearance and allow the use of larger camshafts. The coolant holes through the head deck were redesigned to work with all LS head gasket and engine block combinations. GenX 255 heads are available with standard or 6-bolt per cylinder mounting patterns. Trick Flow GenX 255 cylinder heads are emissions-legal under CARB E.O. #D-747 for 2007-present GM vehicles with 6.2L engines. They are available fully assembled or as bare castings. Sold individually.
( 7 )
$1,149.99
FLOTEK 276cc LS3 cylinder heads feature as-cast high-flow intake runners that flow significantly better than the stock LS3 heads. The ports are in the stock location, so no special valvetrain parts or rocker arms are required. These heads are 15 degree, which is the same as the stock cylinder heads—no special pistons are required. They will work on any LS block that has a 4 in. bore or larger. FLOTEK 276cc LS3 cylinder heads combine high performance and high quality at a value price. Select from bare or assembled models.
( 2 )
$774.00
Since 1982, Champ Pans by JR. Manufacturing has been producing top quality oil pans at reasonable prices. Their Circle Track dry sump oil pans are offered in different materials and finishes, as well as several other options—like clearance of mechanical fuel pumps, different kick-outs, position and size of fittings for oil lines, windage trays, and more. Also, Champ controls the quality, from the materials used to the finished products. The oil pan is an important part of your race car's engine oiling system. Choose yours from a family of racers: Champ Pans.
( 2 )
$783.48
These Trick Flow GenX® 205 cathedral port cylinder heads are fully CNC-machined to significantly increase the performance GM's 4.8L/5.3L/5.7L LS engines. Trick Flow engineers altered the valve angles from 15° to 13.5° to decrease valve shrouding, increase mid-lift airflow, and improve rocker arm-to-valve cover clearance. Top-of-the-line CNC Competition Ported runners have a premium high resolution surface finish for maximum flow and performance. The spark plugs were relocated in the CNC-profiled combustion chambers to enhance mid-lift airflow and increase the rigidity of the casting for extreme horsepower applications. Material was added at the rocker arm mounting points to increase high-rpm valvetrain stability. Trick Flow GenX 205 cylinder heads are emissions-legal under CARB E.O. #D-747 for 1997-present GM vehicles with 4.8L, 5.3L, 5.7L, and 6.0L engines. They are available fully assembled or as bare castings. Sold individually.
Not Yet Reviewed
$949.99
Summit Racing™ Pro LS forged steel crankshafts deliver industry-leading fit, finish, and durability at an affordable price. Order the model recommended for your year/make and engine application. Check out the long list of premium features: * 4340 forged steel * Tested to over 1,200 hp in boosted applications * Core hardened to optimum strength, then tempered to remove stresses * Nitride hardened, which results in less distortion, excellent case depth, and more fatigue life * Profiled counterweights reduce windage * Precision stroke and indexing * Lightening holes are drilled in the rod journals for quicker engine acceleration * Gun-drilled Main Journals for quicker engine acceleration * Each crank is magnetic particle tested to ensure it's free of flaws * Large radius fillets for increased strength, narrowed rod bearings for reduced friction * Straight shot oiling for maximum lubrication just prior to maximum load angle * Maximum journal tolerances of +/- .0001 in. ensure consistent bearing clearance * Micro-polished journals with chamfered oil holes for maximum durability and bearing life * Optimized counterweight placement for reduced twisting at high RPM and ease of balancing * High-quality reluctor rings are installed with precision fixturing * Extra 3/16 in. front keyway for blower cars
( 12 )
$839.99
These Chevrolet Performance serpentine accessory drive kits include the brackets, pulleys, and hardware that your engine needs, saving you the time of obtaining and matching them individually. You can depend on Chevrolet for the performance parts that you need.
( 1 )
$915.90
Add some punch to your Chevy LS with these Howards Cams LS Series direct bolt-on roller rockers. These roller rockers are easy replacements for your stock LS rockers and feature plenty of advancements that help you make more power and get better throttle response. Howards designed these roller rockers to be direct bolt-on pieces, so there is no need to change pushrods, guideplates, rocker studs, or valve covers, and your engine bay can keep that sleeper, bone stock look. These rocker arms are constructed from aluminum and feature needle-bearing fulcrums and roller tips to decrease friction and increase performance. Howards Cams offers these LS Series bolt-on roller rockers in either stock ratio or a high-lift, 1.80 ratio, so you can choose which one best fits your goals.
( 2 )
$869.99
Sting the competition with the full-body design of Scorpion Race Series roller rocker arms. They're precision-crafted via high-tech manufacturing methods, then fully CNC-machined. These rockers offer more clearance for retainers and springs, and can easily handle .950 in. lift and 950 lbs. of open spring pressure. The surfaces are micro-polished and anodized for looks, protection, and maximum durability. Scorpion rocker arms are available in nearly 200 fitment options; order the set recommended for your application. More speed for your high performance passion! Additional features include: * Aerospace-grade 7000 Series aluminum for maximum strength and durability * Needle bearing fulcrum and roller tip * Precision-ground needle bearings * Centerless ground trunnion, ground pin, and roller * Burr-free trunnion through hole * Directed oiling * Large machined seat and thick-walled adjusting nut (polylock) * Pedestals machined from solid steel * Black oxide coated steel parts * 1.600 in. fulcrum width * Clear 1.625 in. O.D. valve springs
( 211 )
$775.77
Diamond Pistons Competition Series pistons are for those looking to take their engine to a whole new level of power. These forged aluminum pistons are superior in strength and provide extra protection during the high-stresses of high-compression, forced induction, or nitrous. Diamond Pistons Competition Series features: * 3D milling on piston crowns for "ready-to-install" finish * Generous valve pockets designed to work with stock or oversized valves and various cylinder heads * Constructed from forged 4032 or 2618 aluminum alloy (where specified) * Premium 8620 or H-13 steel wrist pins (where specified)
( 1 )
$917.97
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$1,053.93
If you plan on adding performance to your street machine or building a serious racer, Harland Sharp Original Series roller rockers are recommended for you. Using the very latest manufacturing technology and only the very finest materials, the Original Series rockers incorporate race-proven enhancements, such as improved strength, performance, and lighter weight over conventional rocker arm designs. Don't settle for any old rocker arm--go with a true leader in roller rocker arm technology--Harland Sharp.
( 175 )
$754.99
Mast Motorsports offers Factory Mast cylinder heads for a variety of Chevrolet small block LS and LT engines from the early 2000s and up. The aluminum rectangular heads are available bare or assembled in a wide range of combustion chamber volumes, intake and exhaust valve sizes, and other options. Combustion chambers and runners are CNC-machined for precision and performance; and valve guides are bronze or powdered metal material. Examine the specs and select the cylinder heads recommended for your application.
Not Yet Reviewed
$1,050.00
Diamond Pistons Race Series pistons will withstand some serious horsepower for your high performance engine. These 2618 aluminum pistons are not only significantly lighter than the factory pistons but also superior in strength. The 2618 alloy is specifically for high-horsepower, nitrous, and boosted engines making up to 2,000 hp. Diamond Pistons Race Series pistons feature: * 3D milling on piston crowns for "ready to install" finish * Inside design forging with fully machined underskirts for maximum strength * Valve pockets designed to work with most aftermarket cylinder heads * Side gas ports for better ring seal * Moly skirt coating for friction-loss and skirt-wear protection * Premium H-13 wrist pins included; chamfered for round wire locks
( 1 )
$917.97
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$1,053.93
Mahle Motorsports offers GM LSX Combo PowerPak piston and ring kits, designed for high-output, naturally aspirated, power-adder applications. These Combo PowerPak kits offer the best of strength in an all-forged aluminum alloy piston to allow for increased detonation resistance, and a combination valve pocket design that will cover LS1, LS3 and LS7 cylinder heads. Features and benefits of these LSX Combo kits include: * PowerPak pistons are all dual-coated with Phosphate coating to provide the piston's characteristic gray appearance (dry lubricant provides a lubricant film protection in the pin bores and ring grooves) * Each slipper skirt is treated with Grafal; Mahle's proprietary coating to reduce wear, drag, scuffing, friction, and piston noise * If the valve pocket layout is unknown when assembling the short block, these pistons will accommodate an LS1-style cathedral port, LS3-style rectangle port, and also LS7-style cylinder heads * With listings for flat tops, dishes, and domes, these Combo PowerPak piston kits will not lock you into a single configuration, allowing for changes that can be made, as needed * Compression ratios are available from 10:1 and cruise all the way up to 14:1 with bore options ranging from 4.000 in. to 4.185 in.
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$762.16
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$1,160.43
Billet Specialties LS valve cover conversion kits add classic style to modern performance. These kits allow the use of perimeter-style small block or big block Chevrolet valve covers on your LS motor, while hiding the coils underneath for a clean, classic look. The cover conversions feature recessed wire channels to drop the wires where you need them for ease of installation. Order the kit recommended for your application. Features also include: * Precision-machined from 6061-T6 billet aluminum * Works with the large LS3 coils (AC Delco D514A) * Retains the factory LS gasket for a leak-free seal * Hidden oil fill cap—on each side for ease of access * Stainless steel hardware included
( 1 )
$945.95
Performance Design wet sump carbon fiber LS valve covers offer ultra-lightweight solid carbon fiber body construction, titanium fasteners, and a polymer injection molded seal flange. Thoughtful design provides features to retain the fasteners when the cover is turned over. The fully isolated design is also similar to production, so all OEM-style gasket/sealing and positive locators will match for easy installation. Available models include these wet sump-style with a -12 AN port and oil cap, dry sump-style without AN ports, and race-style with two -12 AN ports and two oil cap plugs. Each of these versions are available with black or red LS3/LS7-style compact coil brackets. An optional billet oil fill cap is also available separately. Build for performance without losing sight of aesthetics when you order the Performance Design wet sump carbon fiber LS valve covers best suited for your application. Other product features and items include: * Uses the same 2 x 2 6K weave as most of their intake manifolds to perfectly compliment any engine bay * Undercut inboard wall for rocker clearance (not intended for use with shaft-mounted rockers) * Injection molded gasket groove * Integrated PCV port * OEM-style gasket
( 1 )
$849.99
Performance Design dry sump carbon fiber LS valve covers offer ultra-lightweight solid carbon fiber body construction, titanium fasteners, and a polymer injection molded seal flange. Thoughtful design provides features to retain the fasteners when the cover is turned over. The fully isolated design is also similar to production, so all OEM-style gasket/sealing and positive locators will match for easy installation. Available models include these dry sump-style without AN ports, wet sump-style with a -12 AN port and oil cap, and race-style with two -12 AN ports and two oil cap plugs. Each of these versions are available with black or red LS3/LS7-style compact coil brackets. An optional billet oil fill cap is also available separately. Build for performance without losing sight of aesthetics when you order the Performance Design dry sump carbon fiber LS valve covers best suited for your application. Other product features and items include: * Uses the same 2 x 2 6K weave as most of their intake manifolds to perfectly compliment any engine bay * Undercut inboard wall for rocker clearance (not intended for use with shaft-mounted rockers) * Injection molded gasket groove * Integrated PCV port * OEM-style gasket
Not Yet Reviewed
$799.99
COMP Cams XFI hydraulic roller camshafts feature modern lobe profiles that take full advantage of high-flowing, late model GM LS3 rectangular port cylinder heads. They produce a broad powerband and excellent torque, making them great for street performance and drivability. Set your Chevy LS3 apart from the crowd with one of these COMP Cams XFI hydraulic roller camshafts.
Not Yet Reviewed
$937.95
Performance Design race style carbon fiber LS valve covers offer ultra-lightweight solid carbon fiber body construction, titanium fasteners, and a polymer injection molded seal flange. Thoughtful design provides features to retain the fasteners when the cover is turned over. The fully isolated design is also similar to production, so all OEM-style gasket/sealing and positive locators will match for easy installation. Available models include these race-style with two -12 AN ports and two oil cap plugs, dry sump-style without AN ports, and wet sump-style with a -12 AN port and oil cap. Each of these versions are available with black or red LS3/LS7-style compact coil brackets. An optional billet oil fill cap is also available separately. Build for performance without losing sight of aesthetics when you order the Performance Design race style carbon fiber LS valve covers best suited for your application. Other product features and items include: * Uses the same 2 x 2 6K weave as most of their intake manifolds to perfectly compliment any engine bay * Undercut inboard wall for rocker clearance (not intended for use with shaft-mounted rockers) * Injection molded gasket groove * Integrated PCV port * OEM-style gasket
Not Yet Reviewed
$899.99
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.
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$1,099.99
PRW Platinum Series shaft-mount rocker arm systems fulfill the needs of successful racers and performance engine builders at every level. The Performance Quotient PQx rocker arms are made from quality alloy extrusions. These systems include CNC-machined billet steel pedestals, and ground, steel alloy rocker shafts—along with PRW SCM-4135 alloy steel fasteners, studs, and bolts. PRW Platinum Series shaft-mount rocker complete kits include all the components and hardware required for a professional installation. Order the system recommended for your specific vehicle and engine size. Features, items, and specs: * Several systems to suit many cam profiles * 8 pairs of shaft-mount rockers with adjustable cup-style valve lash adjusters * SAE 42100 full complement precision needle and cage roller bearings * Rated up to 750 lbs. open spring pressure * Internal oiling system for long-lasting performance
( 10 )
$797.25
COMP Cams short travel XD hydraulic roller lifters offer the advantages of both light pre-load and reduced oil volume, producing the most stable and highest-revving hydraulic lifter available. The XD versions feature heavy-duty tool steel pushrod seats. This adds strength and durability in extreme-duty applications, such as turbo drag cars and offshore powerboats. Certain engines respond better to a light lifter pre-load because it recovers more quickly from any bad harmonics in the valvetrain. Others work better with a heavy pre-load because oil volume is reduced under the plunger, which increases lifter stiffness. Now you have the best of both—with COMP Cams short travel XD hydraulic roller lifters. Order the model designed for your vehicle and engine application.
( 4 )
$969.95
On Sale
Summit Racing™ Pro LS camshaft and spring kits are designed for GM LS engines. Each cam kit offers a budget-friendly option without sacrificing quality and performance. They're available in Stage 1 or 2 performance configurations. Stage 1 kits include the cam and matching drop in beehive springs with seals or optional upgraded dual spring and retainer kit. Stage 2 kits give you an additional cam change gasket kit and a crank bolt. Order the Summit Racing™ Pro LS camshaft kit recommended for your year/make and engine application.
( 37 )
$766.95
COMP Cams Sportsman solid roller lifters feature premium-quality, high-value components designed for sportsman and professional racing, along with high-end street machines. They're available in both needle-bearing and bushing configurations. Each design features two pressurized EDM oil feeds, as well as an edge-orifice feed to the wheel. This delivers a more reliable oil feed than most competing options. COMP Cams Sportsman solid roller lifters are also designed with a shallower oil band than competitors' versions for increased strength and rigidity, while internal machining helps to reduce weight. The body utilizes a skirted wheel that strengthens the lifter ears, and the skirt also provides more contact area with the lifter bore for further lifter stabilization. In addition, staked axles eliminate clips and provide robust axle retention. This feature increases the stiffness of the lifter ears and helps to prevent the ears from spreading. The COMP Cams Sportsman solid roller lifters are built from 8620 premium steel for increased strength and wear resistance and they feature a captured, stainless steel link bar design. The lifters also utilize a tapered and slotted link bar tower for reduced weight and improved aesthetics. Choose the size and options tailored for your engine application.
( 9 )
$888.95
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