2012 Engines & Components

Summit Racing™ Gen III Hemi MDS Delete Kits

Wanting to deactivate the Multi-Displacement System of your Hemi vehicle will require a few things, including a non-MDS camshaft and components. Summit Racing™ Gen III Hemi MDS delete kits are offered in versions designed for engines with or without Variable Valve Timing (VVT). They contain premium components (except programmer) to help you complete the job. Each Summit Racing™ delete kit will include a head gasket set, timing cover gasket, non-MDS lifters, replacement cylinder head fasteners, non-MDS solenoid plug, and camshaft, along with valve springs and/or camshaft phaser limiters. Choose the combo designed for your vehicle.

4.0 out of 5 stars ( 1 )

COMP Cams HRT Max Power Master Camshaft Kits

COMP Cams HRT Max Power Master camshaft kits take the guesswork out of choosing the right valvetrain-upgrade package to achieve your desired performance with your Dodge Gen III Hemi. These Max Power kits feature the "low shock technology" of COMP's HRT camshafts with lobe profiles designed to maximize horsepower and improve stability at higher rpms. The profiles are also easier on valve springs, enhancing durability and reducing load loss. By dyno testing with many combinations of valvetrain components, COMP Cams' engineers have created these more complete, perfectly matched engine camshaft packages for your Hemi application in three different stages of performance. COMP HRT Max Power MK-kits include: * HRT Cam * Lifters * Pushrods * Conical or Beehive springs * Steel retainers * Locks * Spring seats * Valve seals * Phase limiter (VVT Hemi kits only)

4.4 out of 5 stars ( 5 )

Trick Flow® GenX® 255 Cylinder Heads for GM LS3

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.

4.0 out of 5 stars ( 7 )

Trick Flow® GenX® 280 Cylinder Heads for GM LS3

Not Yet Reviewed

Vintage Air Ford Front Runner Engine Drive Systems

Vintage Air offers their totally cool Front Runner engine drive systems for your small block Ford! With a unique design focused on performance, Vintage Air Ford systems are strong, compact, and extremely good looking. They feature a patented, one-piece, forged aluminum timing cover with integral accessory mounts and utilize a spring-loaded tensioning system for no-nonsense, trouble-free operation. Systems are available for power steering with or without pump and non-power steering applications in your choice of bright or black hard coat finishes. Vintage Air Ford Front Runner engine drive systems may include: * ARP stainless 12-point bolt and hardware * 170 amp alternator * Dayco OEM tensioner * Timing cover gasket set * Dayco serpentine drive belt * Power steering pump * 4-bolt crankshaft pulley * High performance water pump * Water pump pulley * Power steering pump pulley

4.73 out of 5 stars ( 11 )

Trick Flow® GenX® 260 Cylinder Heads for GM LS7

Trick Flow® GenX® 260 square port cylinder heads for GM LS7 are the best choice for your LS-based performance build for several reasons. The A356-T6 aluminum castings feature more material for increased rigidity and strength. Factory LS7 port locations, valve angles, and valve locations have been maintained to work with existing intakes and pistons. One-piece modular, 2024-T4 billet aluminum rocker arm mounts enhance valvetrain stability and are removable for shaft rocker setups. High flow, high velocity CNC Competition Ported runners with the premium high resolution surface finish provide all-out air flow and performance throughout the entire powerband. Plus there's clearance for 3/8" pushrods and through-deck coolant holes that fit all GM LS gasket and block combinations, Trick-Alloy™ powdered metal valve guides, and solid stem valves. Fully assembled heads also include Trick Flow® by PAC Racing Pacaloy valve springs, steel or titanium spring retainers, die forged steel valve locks, and stainless steel valves. Trick Flow® GenX® 260 cylinder heads are emissions-legal under CARB E.O. D-747 for 2006 to present GM vehicles with 7.0L engines. They are available fully assembled or as bare castings and sold individually.

3.0 out of 5 stars ( 2 )

Jesel Sportsman Series Shaft Rocker Arms

Since their release, Jesel Sportsman Series shaft rocker arms have proven themselves to be the ultimate replacements for inadequate stud rocker assemblies on OEM and aftermarket cylinder heads. The 2024 aluminum bodied rocker arms are designed to withstand open spring pressures of up to 900 lbs., while maintaining precise valve lash settings. They are designed to bolt on with little to no cylinder head modifications and in most cases still fit under a stock valve cover. The rocker geometry is preset and engineered using the common valve supplied with the specific cylinder head to provide a bolt-on-and-go installation. If you're still spending aggravating hours adjusting your stud rockers only to have to repeat the procedure the next weekend, Jesel Sportsman Series shaft rocker arms are your solution. Choose a set designed for your application.

4.24 out of 5 stars ( 25 )

Holley Mid-Mount Complete Accessory Systems

Holley Mid-Mount complete accessory systems achieve what no other accessory bracket systems do--eliminate the brackets! This pulls in all the accessories tighter than other accessory drives by bolting directly to other components for a clean, integrated form. They offer superb engine visibility to show off your horsepower, not your accessories. Holley Mid-Mount complete accessory systems are available in several versions and finishes to match your application. Order the kit designed to fit your engine.

4.61 out of 5 stars ( 106 )

March Performance Chevy LS Series Serpentine Kits

March Performance Chevy LS Series serpentine kits offer an exciting new look when mounting an accessory drive in your vehicle. They're designed for vehicles that do not have air conditioning. The driver side features a remote power steering pump with an attractive aluminum cover, while the passenger side has March's own billet alternator (except where noted). An OEM-style tensioner ensures perfect belt tension. All pulleys and brackets are CNC-machined from 6061-T6 aluminum for strength and perfect fit—and hard-coated on high wear areas for durability. Order the kit recommended for your vehicle. LS Series kits include: * Aluminum water pump * March billet alternator (except where noted) * Alternator pulley with fan * Water pump pulley with nose cover * Alternator bracket * Polished spring-loaded belt tensioner with cover * Crank pulley (required adapter sold separately) * Mounting hardware Kits with power steering include: * Type 2 remote power steering pump * Billet pump case * Power steering pulley with nose cover * Mounting hardware

5.0 out of 5 stars ( 1 )

Oliver Speedway Series Connecting Rods

Oliver Speedway Series connecting rods are designed for severe applications where engines are subject to high-rpm endurance racing or high loads over a wide variation in rpm. These rods are often used in large cubic inch late model dirt cars and forced-induction applications. All Oliver rods are precision-machined using only premium mill-certified aircraft quality E4340 chromoly alloy, heat-treated to produce a 100 percent martensite grain structure. The I-beam connecting rods feature an exclusive "Parabolic Beam" design that reduces beam stress and delivers the highest strength-to-weight ratio of any connecting rod currently made. Oliver Speedway Series connecting rods provide quality craftsmanship, materials, and processes to deliver the ultimate durability and strength—allowing you to push the limits. Order the length needed for your vehicle and engine application.

5.0 out of 5 stars ( 6 )

Holley LS Engine Swap Accessory Drive Systems

Now available from Holley are LS engine swap accessory drive systems. Included are accessories and pulleys that are manufactured by OEM part suppliers for durability and direct bolt-on installation. Order the kit that's best suited for your vehicle and engine application. Features and facts: * Universal brackets fit virtually all common LS engines, regardless of water pump and harmonic balancer offsets--thus reducing cost and complexity compared with competitive products * Simple, dedicated installation kits allow easy fitment to Corvette, F-Body, or truck drive offsets * Accessories, tensioner, and pulleys are manufactured by OEM suppliers and many of the parts are used on production vehicles today

3.88 out of 5 stars ( 34 )

Edelbrock Performer RPM Chrysler Gen III HEMI Cylinder Heads

Edelbrock Performer RPM Chrysler Gen III HEMI cylinder heads are bolt-on performance upgrades for Gen III HEMI engines. They are designed to fit with the stock intake manifold, exhaust manifold, valve cover, rockers, spark plugs, and accessories, as well as Hellcat components. The cylinder heads have been machined to be used on either the driver or passenger side of the block. They are cast from A356 aluminum and are heat-treated to T6 specifications. Edelbrock Performer RPM Chrysler Gen III HEMI cylinder heads feature fully CNC-machined combustion chambers, along with CNC-profiled bowls and port entries/exits for improved airflow. They also feature more material in the deck and reinforced combustion chambers for increased cylinder pressures. The rocker bosses have been reinforced for improved stability and strength, and extra material has been added around the intake and exhaust ports to allow for porting in racing applications. Both the intake and exhaust port flanges have remained in the factory location for use with OEM components. The intake and exhaust valves have been tipped away from the bore wall to unshroud the larger valves, while maintaining factory geometry. The seat diameters have also been increased for improved heat transfer and durability over stock.

5.0 out of 5 stars ( 3 )

Edelbrock E-Street Cylinder Heads

Are you looking for a set of entry-level street performance heads for your modern street rod, muscle car, or truck? Edelbrock E-Street cylinder heads are just the ticket. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. Their modern combustion chamber design helps to improve the combustion process and their larger-than-stock intake and exhaust ports help to move more air through your engine. These features improve an engine's efficiency, resulting in more horsepower and torque and improved mileage potential. All Edelbrock E-Street cylinder heads are assembled with manganese bronze valve guides, powder metal interlocking valve seats, and stainless steel one-piece valves with hardened valve tips. Edelbrock E-Street cylinder heads are ideal for entry level street performance engines.

4.29 out of 5 stars ( 119 )

Summit Racing™ Pro LS Piston and Rod Kits

Summit Racing™ Pro LS piston and rod kits deliver industry-leading fit, finish, and durability at an affordable price. These assemblies are tested to over 1,200 hp in turbo applications. They're available in a broad range of fitment and performance options. Standard features and specs may include: * 4340 forged H-beam connecting rods * Designed for 5,000 ft./min. average piston speed in street and drag applications * 7/16 ARP 2000 rod bolts with 200,000 psi tensile strength; dual-ribbed caps for maximum strength * Added stroker clearance and balanced to within +/- 1 gram per end * Full-floating and precision-honed in the USA to +/- .0001 in. * 2618 forged aluminum pistons * Ultra-modern 2618 alloy forgings for boost and nitrous with maximum ring land thickness * Pressure-fed pin oiling with durable chromium steel wrist pins * Specially profiled and coated piston skirts for stroker applications with tight piston-to-wall clearance * Generous valve reliefs for extra piston-to-valve clearance accommodate cathedral and rectangle heads * Precision wrist pins and retainers * Premium steel piston rings * Steel top rings designed for maximum life with boost and nitrous * File-fit rings for maximum ring seal, reduced friction, and tensions optimized for wet-sump engines * Martensitic ductile Napier-hook second rings for strength and maximum oil control

4.84 out of 5 stars ( 19 )

COMP Cams NSR Stage 1 HRT Hydraulic Roller Camshaft and Lifter Kits

COMP Cams NSR Stage 1 HRT hydraulic roller camshaft and lifter kits are designed for a substantial bolt-in power increase. They help you avoid costly breakdowns and early retirement of your Hemi engine by maintaining Spintron-proven valvetrain stability high into the rpm range. These cams provide great throttle response, mid-range torque and excellent power; they're perfect for heavier vehicles. Each kit includes everything needed, such as lifters, valve springs, push rods, and seals. Order the model recommended for your application. Wake up that late model Hemi engine and go with the proven a COMP Cams NSR Stage 1 HRT hydraulic roller camshaft and lifter kit.

5.0 out of 5 stars ( 1 )

Trick Flow® Twisted Wedge® Track Heat® 185 Cylinder Heads for Ford 4.6L/5.4L 2V

Trick Flow® Twisted Wedge® Track Heat® 185 series cylinder heads are the best aftermarket heads for Ford 2V Modular engines with power adders and/or high rpm applications. The heads feature CNC-profiled Twisted Wedge combustion chambers and intake valves moved to the opposite side of the cam. These features provide dramatic increases in mid-lift airflow, piston-to-valve clearance, and valve-to-bore clearance for using higher lift cams and larger valves without altering bore size or flycutting pistons. Other exclusive features include Fast As Cast® runners that deliver near-CNC-ported airflow, OE PI-style intake inlets, patented replaceable cam bearing journals (no more junking heads because of trashed cams!), 3/4" thick decks, and 3/4"-reach spark plugs. Trick Flow Twisted Wedge Track Heat 185 heads fit all 2V Romeo and Windsor engines and accept all OE-style camshafts, followers, lash adjusters, valve covers, and most OE Ford front covers. The heads are available fully assembled or as bare castings. Sold individually.

5.0 out of 5 stars ( 7 )

Summit Racing™ Precision Cast Cylinder Head

Summit Racing™ precision cast cylinder heads are made from tough A-356 aluminum alloy and feature Permanent Mold "As-Cast" technology. Port accuracy is unrivaled--meaning CNC porting is not required to provide superior flow. The result is CNC-ported performance at a fraction of the price! We start with precision CNC-finished faces and bolt holes for accuracy and fitment. American craftsmen expertly size and install the manganese bronze valve guides and interlocking ductile iron seats before finishing with a competition-grade valve job. From there, the decks are given a final pass for superior finish. They are finish-assembled in the USA with top-quality components like PAC Racing springs, fasteners, one-piece 21 4N stainless valves, machined locks, Viton® seals and chromoly steel retainers. The final result is the performance you want and Summit Racing™ quality you TRUST!

4.0 out of 5 stars ( 19 )

COMP Cams Stage 2 LST Master Camshaft Packages

COMP Cams Stage 2 LST Master camshaft packages for GM LS applications take the guesswork out of choosing the right valve train upgrade package for your specific engine and desired performance. The "Low Shock Technology" behind COMP Cams LST camshaft packages features lobe profiles designed to maximize horsepower, while improving stability at higher rpm. These profiles are also easier on the valve springs, enhancing durability and reducing load loss. By Spintron and dyno testing these new profiles with many combinations of valve train components, COMP Cams engineers have created valve train packages that are perfectly matched for maximum horsepower and dependability in all popular LS applications with varying modifications. Stage 2 LST kits commonly add 90+ hp, depending on application. Stage 2 LST Master camshaft packages include: * COMP Cams LST camshaft * Lifters * Timing gear set or phaser limiter (depending on application) * Pushrods * Valve springs * Retainers * Valve locks * Spring seats * Valve seats

5.0 out of 5 stars ( 1 )

Billet Specialties LS Modular Valve Covers

Billet Specialties LS Modular valve covers offer a unique solution for hiding your LS coil packs. The valve covers are a 2-piece design that bolts together to make one cover. The base features mounts for the ignition coils, a hidden oil fill, and a 1/4 in. NPT provision for breathers or PCV in the rear of the cover. The top piece bolts to the base with polished ARP fasteners, perfectly covering the coil packs for a seamless look. Holes are provided in the side of the covers for the spark plug wires. These covers are machined from a solid piece of aluminum and are available in a variety of finishes and top styles (ribbed, logos, etc.). LS Modular valve covers are ignition coil-specific to accommodate multiple styles of coil packs. Order the model designed for fitment with your vehicle and engine application.

5.0 out of 5 stars ( 1 )

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

COMP Cams Thumpr LS Master Camshaft Packages

COMP Cams Thumpr LS Master camshaft packages come as a complete valvetrain parts package that is matched for specific LS applications and desired performance. COMP Cams engineers have spent countless hours testing and creating valve train component combinations that are perfectly matched for maximum horsepower and dependability, as well as creating that wildly popular Thumpr sound in GM LS applications. These packages can add anywhere from 60 to 110 hp (depending on the application). COMP Cams Thumpr LS Master camshaft packages include: * Thumpr LS camshaft * Lifters * Timing gear set * Pushrods * Valve springs * Retainers * Valve locks * Spring seats * Valve seats

4.0 out of 5 stars ( 8 )

Callies Apex Crankshafts

Utilizing the latest in computer aided solid modeling and CNC machining centers, Callies offers the best designed, highest quality crankshafts, connecting rods, and camshaft inventory available on the market today. Callies understands not everyone has the need or budget for a Magnum or billet crankshaft, but still may want a product with more to offer than their Compstar line. Callies went to work for a solution, which culminated in the creation of their Apex Series of crankshafts. The Apex crankshafts are made on the same forgings that Callies uses to make their Magnum Series but are machined by the supplier that makes the Compstar line. Like Compstar, the Apex crankshafts are finish sized and fully inspected in-house. This results in the best bang-for-your-buck crankshaft on the market. Callies takes pride in staying ahead of the competition with the latest high tech design and manufacturing advantages of their products. Callies Apex LS/LT standard features include: * Made on Callies proprietary Magnum forging * Ultra-pure, premium 4340 material machined by Callies vetted and reliable Compstar supplier * Machined by Callies vetted and reliable Compstar supplier * Nitrided for optimal hardness and wear resistance * Every crankshaft is finished and inspected in-house at Callies Limited stroke and pin size combinations * Limited stroke and pin size combinations

Not Yet Reviewed

Callies DuraStar Crankshafts

Callies Durastar crankshafts are designed to be substantially stronger than OEM shafts currently found in GM's popular Duramax diesel. Every crankshaft is 100 percent inspected for critical dimensions, and the manufacturing equipment is constantly monitored for tolerance drift and tool degradation. Give your ride the Durastar advantage with Callies crankshafts; models are available for fitment with specific vehicle makes and engine applications. Durastar crankshaft key features: * Machined from 4340, through hardened steel * Intended to be externally balanced with stock damper and flywheel configurations * Deep DuraCase nitride treatment offers durability * Dual keyed damper fit * Conservatively rated for 800 hp @ 800 lbs.-ft. torque * Will accept OEM post and flange bolts * Machined to accept OEM flywheel/flexplates * Large True Form fillet radii in all journals * Keyed shear-proof timing gear fit * Drilled rod journals for reduced inertia and ease of balance * Stock 3.898 in. stroke with OEM journal diameters and width * All journals are polished to a 6Ra or finer finish * Main bearing oil holes are machined with lead-ins for enhanced cold start oil flow to rod journals * GM timing gears are available

Not Yet Reviewed

Trick Flow® Twisted Wedge® 185 Cylinder Heads for Ford 4.6L/5.4L 2V

Trick Flow® Twisted Wedge® 185 Series cylinder heads are the best aftermarket heads for mildly modified Ford 2V Modular engines. The heads feature Twisted Wedge combustion chambers and intake valves moved to the opposite side of the cam. These features provide dramatic increases in mid-lift airflow, piston-to-valve clearance, and valve-to-bore clearance for using higher lift cams and larger valves without altering bore size or flycutting pistons. Other exclusive features include Fast As Cast® runners that deliver near-CNC-ported airflow, CNC-profiled combustion chambers, OE PI-style intake inlets, patented replaceable cam bearing journals (no more junking heads because of bad cam bearings!), 3/4" thick decks, and 3/4"-reach spark plugs. Trick Flow Twisted Wedge 185 heads fit all 2V Romeo and Windsor engines and accept all OE-style camshafts, followers, lash adjusters, valve covers, and most OE Ford front covers. The heads are available fully assembled or as bare castings. Sold individually.

4.33 out of 5 stars ( 3 )