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124 Results Found For "custom"

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Results 1 - 24 of 124

Manley Custom Order Dropship Titanium Valves

Manley custom order dropship titanium valves give you the freedom to choose the right type of valve for your application. A specification sheet must be filled out prior to ordering. Please call us at 1-800-230-3030 for further information.

Not Yet Reviewed

$1,220.27

ARP Pro Series Cylinder Head Studs

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.

4.82 out of 5 stars ( 799 )

$1,044.99

$1,314.99

VEGE Remanufactured Cylinder Heads

VEGE Remanufactured cylinder heads are a popular choice for performance and value. With its advanced and efficient production process, backed by more than eight decades of experience, VEGE is able to supply remanufactured cylinder heads with a level of quality that equals that of new OEM products—at extremely competitive prices. The rebuilt cylinder heads are carefully inspected, cleaned, and then fully machined and assembled with top-of-the-line components. Unless otherwise noted, the assemblies include a cast iron or aluminum cylinder head, intake and exhaust valves, valve springs, retainers, locks, stem seals, rocker arm studs, and more. Many heads include rocker arms. Nearly a thousand models are available, for fitment on countless applications.

3.83 out of 5 stars ( 42 )

$1,101.99

Mahle PowerPak Pistons

Mahle PowerPak pistons are forged pistons with steel pins and wire locks. The pistons are hand-deburred and then coated with dry phosphate to protect against ring micro-welding and pin galling during initial startup. For additional performance, Mahle added its proprietary Grafal anti-friction coating to the piston skirts. Part numbers with T on the end have a cutting edge ceramic-based thermic barrier. The barrier is resistant to thermal shock, insulates the piston crown, and reduces heat transfer to increase performance. These replacement pistons are available in a wide variety of size options for fitment with specific engines and pistons.

3.0 out of 5 stars ( 2 )

$1,261.29

Callies Ultra Enforcer Connecting Rods

Callies Ultra Enforcer connecting rods are produced from extremely clean TimkenSteel product that is formulated to exact specifications. This proprietary steel is forged in Trenton, Michigan, and manufactured 100 percent in Callies' Fostoria, Ohio facility. Pride in workmanship and attention to detail are qualities you'll discover during careful examination of the finished products. Each step of the manufacturing history of every Ultra connecting rod is meticulously maintained by the Callies manufacturing team. You can be confident of the material and workmanship of these quality components. Designed with fortified tower flanges, Enforcer I-beam connecting rods are the ideal component for turbocharged and supercharged engines. Order the model recommended for your vehicle. Standard features: * Produced from clean 4330V TimkenSteel product * Intended for boosted applications * Buckle resistant I-Beam design * Increased mass, pressure Angle Arches, guarantee wrist pin stability * Robust tower flanges provide enhanced resistance to bend and twist * 2,400 hp per cylinder capability * L-19 bolts, Multi Phase 3.5 available

Not Yet Reviewed

$1,232.00

Briggs & Stratton World Formula Racing Engines

Dominate the tracks with Briggs & Stratton World Formula racing engines! These complete engine packages balance the latest in design and technology—providing racers with a consistent, low-maintenance, and low-cost platform in which to sharpen their driving skills and chassis setup. Briggs & Stratton World Formula racing engine specs and features: * Primary use: Karting, Microstocks, Faskarts, Junior Sprint, Short Course Trophy Karts, and Quarter Midgets * Engine is hand-built and tested in their skunk-works * Reinforced, cast iron sleeved, dual ball bearing racing cylinder * Single cast, custom aluminum alloy cylinder head with kidney bean combustion chamber, custom seat/guide material, and CNC-machined intake D-port * 2024 billet aluminum rod with reinforced I-beam * Carbon steel crankshaft with induction-hardened, micro-polished, crankpin-reinforced timing gear * Cam ground, barrel faced, eutectic alloy domed piston with 3-piece ring set with chrome faced top ring * .308 max. lift ground cam with stellite-faced lobes and built-in mechanical compression release * Dual high silicon valve springs * High-grade stainless steel dished valves with nitrited exhaust * Three-piece automotive style keepers and reinforced rocker arm and lock ball * PVL Digital ignition with built in rev limiter

Not Yet Reviewed

$1,299.00

On Sale

BoostLine Connecting Rods

BoostLine connecting rods are designed specifically for demanding turbocharged, supercharged, and big nitrous applications. The patented, 3-pocket body forged from premium 4340 steel incorporates the best features of both the H-beam (mass/weight) and I-beam (strength) designs. This provides 60 percent more bending strength compared to common H-beam rods. Each piece is heat-treated, shot-peened, and fitted with ARP-2000 cap screws (strong, malleable, and 220,000 psi rating) before final finish machining. Keep things straight with a set of BoostLine connecting rods (also available individually). Order the connecting rods in the model recommended for your specific engine size. Features, items, and specs: * High-quality Ampco bushing material used in the small end * Pin clearance at between 9-ten-thousandths and 11-thousandths of an inch (allows engine builder to custom set wrist pin spec, should additional clearance be necessary) * All BoostLine rods are individually inspected via a coordinate measuring machine (CMM) that is used to custom-match sets of rods to incredibly tight tolerances * Each rod includes an inspection report from the Wiseco Piston quality team * Rods are completely separated by thick foam for protection from shipping damage * Each rod is vacuum-wrapped in plastic for corrosion protection * Upgraded ARP 625+ bolts (260,000 to 280,000 psi) available

1.0 out of 5 stars ( 1 )

$1,125.99

$1,695.99


$1,013.39

$1,526.39

Scat Forged Pro Series Big Block Post Crankshafts

Using only state-of-the-art equipment and advanced techniques, Scat is able to offer the automotive aftermarket World Class, race proven forged and billet crankshafts including the Pro Series big block post crankshafts. These Scat crankshafts are machined in-house using premium non-twist single plane 4340 forgings. Each Pro Series big block post crankshaft is skillfully machined, precision finished, ion-nitrided and also heat-treated for superior quality, extreme strength, and durability, and fully customized to your needs. Order the crankshaft designed for your application needs. Product features and details: * Manufactured from non-twist single plane 4340 forgings * Precision ground, heat-treated and Nitrided for superior wear-resistance * Straight shot and chamfered oil holes * Large radius on all journals * Lightening holes in all rod journals * Aero Wing counterweights * All popular engines, strokes, and rod sizes

Not Yet Reviewed

$1,034.99

Chevrolet Performance Cast Aluminum Valve Covers

Do away with those annoying oil leaks and add some style at the same time with Chevrolet Performance cast aluminum valve covers. Their durable die cast construction resists warping and keeps its shape at the rails, for excellent gasket sealing. The covers are available with a number of GM logos, with multiple breather hole configurations. Some covers come without any breather or oil fill holes for custom applications.

4.19 out of 5 stars ( 16 )

$1,093.90

$1,154.60

PROMAXX Performance Maxx Series Big Block Chevy Cylinder Heads

PROMAXX Performance Maxx Series big block Chevy cylinder heads are custom designed to satisfy demands of the big block Chevy world, while retaining high-quality craftsmanship and reasonable prices. Available assembled or bare, these heads feature ultra-smooth 356 T-6 aluminum castings with hand-blended valve bowls, efficient chamber designs, 5-angle valve jobs, and diamond-honed bronze valve guides. Assembled heads include 21-4N swirl-polished valves, springs, retainers, 7/16 in. rocker studs, guide plates, and seals. Level up your ride with a pair of PROMAXX Performance Maxx Series big block Chevy cylinder heads.

Not Yet Reviewed

$1,564.00

Manley Titanium Valves

Manley titanium valves feature forged one-piece construction with grain flow, not a head welded to a stem. These jewel-like valves are machined in state-of-the-art CNC turning centers and valve stem grinders to exacting tolerances. Manley utilizes the finest titanium alloys for both the intakes and exhausts, providing the best balance of mechanical properties, hardness, ductility, and fatigue strength at the given temperatures. All Manley titanium valves must pass their rigorous final inspection process, and strict quality control enables them to deliver parts within tight tolerance. Custom valves can be delivered within a very reasonable turnaround time. Seat coatings are also available on certain shelf stock part numbers, as well as on custom valves.

5.0 out of 5 stars ( 3 )

$1,077.48

$1,561.93

OTB Gear LS Vintage Valve Covers

OTB Gear LS Vintage valve covers are true old school-style covers that change the look of your modern LS to a retro version that's more in tune with your classic hot rod or custom's attitude. The finned topside design of these OTB LS vintage covers was inspired by early Corvette powerplants and the hardware includes stainless steel acorn nuts, washers, and standoffs to install in the head. Gaskets are also included, and a screw-in oil fill cap has been placed on the upper inside of one valve cover so to not interrupt the flow of the beautiful, distinctive fins. OTB LS vintage covers are cast from premium A-356 aluminum alloy with radiused valleys between the fins for easy cleaning. They are a full 3 1/2 in. tall, and are offered with a beautifully polished or sand blasted finish for a more low-key look. Add a timeless appearance to your LS engine; select the finish preferred for your vehicle's engine bay.

Not Yet Reviewed

$1,194.99

CP Pistons Nissan Piston and Ring Kits

CP Pistons Nissan piston and ring kits are as good as they come. CP Pistons was founded to service the needs of those with the desire to build engines of the highest quality and technology. With the use of proprietary tooling, unique fixtures, dedicated cutters, and their state-of-the-art equipment they produce superior pistons that will not compromise your expectations. Their climate-controlled inspection department is the most advanced in the industry and is outfitted with computerized electronic equipment specifically designed for their needs. Each piston is engineered using sophisticated computer modeling for optimum designs, while their 5-axis machining capability enables them to create any piston for any application. Additional features include: * Some pistons are suitable for turbo, nitrous oxide, and supercharged engines * Available in standard or oversized * Deep valve relief depth accommodates high-lift camshaft * Made for +1mm valve sizes * Custom skirt cam and barrel design * Accumulator grooves * High-strength aluminum forgings * High performance rings * Can be compatible with oversize valves, higher lift cams, and high performance rings * Fully CNC-machined and balanced to +/-1 gram * Wrist pins included at no additional cost * Double pin oilers, force fed oil ring * Pick lock grooves for easy lock removal * Pin fitting included

Not Yet Reviewed

$1,149.75

$1,437.98

JE Pistons 302/351W Big Bore Dome Top Pistons

JE Pistons 302/351W big bore dome top pistons for small block Ford are available in large bore sizes to accommodate new aftermarket race blocks and most aftermarket and factory heads. Their precision CNC-machined ring grooves accept 1/16, 1/16, 3/16 rings. Cleveland and TFS twisted wedge heads will require custom pistons.

Not Yet Reviewed

$1,024.99

$1,099.99

JE Pistons 427/428 FE Inverted Dome Top Pistons

JE Pistons 427/428 FE inverted dome top pistons are specially designed for aftermarket blocks and heads and are for use with the 427 or the 428 crank aftermarket 6.700 in. rod. Be sure that the factory block is sonic-checked for 4.280 in. and 4.310 in. bores. These pistons use 1/16, 1/16, 3/16 rings. The compression ratios are figured for 10.150 block height. Larger bore sizes are available as customs; please contact the manufacturer for details.

Not Yet Reviewed

$1,099.99

S&S Cycle 1200cc Cylinder Kits

S&S Cycle's 1200cc cylinder kits are a popular choice for riders looking to upgrade their engine power. These kits can provide significant benefits by increasing the engine displacement, resulting in more power and torque, allowing for better acceleration, quicker highway passing, and a more robust overall riding experience compared to a smaller engine capacity, particularly noticeable on heavier bikes or when carrying passengers and cargo, while still maintaining the street bike's character and feel. Each kit is tailored with the necessary components for your specific HD® or Buell motorcycle model. Many 1200cc kits can be further customized with performance upgrades like high-flow air filters and performance exhausts to further enhance power output. For proper installation to ensure optimal performance and to avoid potential engine issues, it is recommended to have it done by a qualified mechanic.

Not Yet Reviewed

$1,099.95

Ford Performance Parts Z-Head Aluminum Cylinder Heads

Ford Performance Parts Z-Series aluminum cylinder heads provide increased intake and exhaust airflow and are available for Ford small block Windsor engines. They were designed using solid modeling technology from prime A356 T-6 aluminum and feature high-flow ports, steel alloy intake and exhaust valve seats, and manganese-bronze valve guides. Ford Z-Series heads accept both tapered seat and gasket-style 14mm spark plugs and are available as-cast or CNC-ported, both bare and assembled. Select heads are also offered with advanced "Velocity Vane" intake port design that delivers outstanding street/strip power. Developed with advanced computer-aided engineering simulation tools, their unique intake port design improves power throughout the rpm range. Velocity Vane cylinder heads are a direct bolt-on and retain OEM exhaust, intake, rocker arm, and accessory mounting locations. Features include (some vary depending on version): * A variety of combustion chamber volumes * Cast with high-flow ports * 20 degree inline valves * Steel alloy intake and exhaust valve seats * 7/16 in. screw-in studs (not included on bare heads) * Requires 1.5:1 ratio roller rocker arms with .150 in. offset intake pushrod cup (not included) * Assembled heads include laser-cut guide plates for 5/16 in. pushrods and 7/16 in. rocker studs * Premium stainless steel intake and exhaust valves (with assembled heads) Notes: * As-cast bare heads require competition valve job and bowl blending * Custom headers may be required for heads with raised exhaust port exits * Check intake manifold for port match; not all intakes are compatible due to the tall high-flow ports (does not fit M-9424-Z51/-Z51P) * Check piston-to-valve clearance, including radial valve clearance, before installing

5.0 out of 5 stars ( 1 )

$1,042.99

$1,154.99

World Products Windsor Jr Cylinder Heads

World Products Windsor Jr. heads feature 180cc intake runners that combine high velocity and superior flow to produce excellent torque and throttle response in stock to mildly modified 5.0L engines. The 58cc combustion chambers are sized for true bolt-on compatibility, and have been "tweaked" to optimize efficiency. Windsor Jr. cast iron cylinder heads provide a very cost-effective solution to getting serious power from a Ford 5.0 motor without spending a ton of money. And when it comes to value, you can't beat the assembly packages from World. Top-grade components are used as your assurance of reliability, with World passing bulk buying advantages right through to their customers.

4.29 out of 5 stars ( 7 )

$1,128.71

JE Pistons 427/428 FE Dome Top Pistons

JE Pistons 427/428 FE dome top pistons are specially designed for OEM blocks and heads, and are for use with the 427 or 428 crank. Designed with a minor +.017 inch overbore for cast iron blocks, these pistons use a 4.250 inch ring set with 1/16, 1/16, 3/16 rings. The compression ratios are figured for 10.150 block height. Larger bore sizes available as customs, please contact manufacturer for more details.

5.0 out of 5 stars ( 1 )

$1,099.99

JE Pistons 460 Flat Top Pistons

JE Pistons 460 flat top pistons are compatible with OEM and aftermarket standard valve location heads. They will accommodate oversized valves and long-duration, wide lobe separation cams. The precision CNC-machined ring grooves accept 1/16, 1/16, 3/16 rings and compression height is figured for 10.300 block height. SVO C, E, and Boss aluminum heads will require custom piston applications.

Not Yet Reviewed

$1,024.99

Ford Performance Parts Crankshafts

Are you looking for a replacement crankshaft for your Ford engine? We have what you're looking for--Ford Performance Parts crankshafts. Their offerings include a variety of forged steel production and all-out racing crankshafts. Depending on application, features may include: * Forged steel construction ready for installation * Lightening holes * Rounded counterweight leading edges, tapered trailing edges * Nitrided and polished rod and main journals * Some require custom pistons, rods and balancing * Damper bolt holes counter bored to strengthen crank snout for supercharged applications

4.0 out of 5 stars ( 2 )

$1,245.99

Howards Cams BOOST Camshaft and Lifter Kits

Howards Cams BOOST camshaft and lifter kits are specifically for forced induction applications. The camshafts are designed with specific high-intensity lobes for maximum power and overall performance with a wide power band. Hydraulic flat tappet and hydraulic roller grinds are available for blower and turbo applications. Custom grinds are also available for high-boost applications. These retrofit roller cams are for engines that did not originally come with a roller cam (upgraded valve springs and thrust button required). Whether you're running a small street supercharger, a big 8-71 blower, or a dual turbo setup--Howards Cams BOOST camshaft and lifter kits are the perfect complement. Order the kit designed to fit your specific model.

Not Yet Reviewed

$1,019.99

CP Pistons Ford Eco-Boost Piston and Ring Kits

CP-Carrillo offers piston and ring kits for a variety of sport compact vehicles, including Ford Eco-Boost cars with 4- or 6-cylinder 2.0L, 2.3L, and 3.5L engines. Forged from aluminum for additional strength, durability, and weight reduction, CP pistons represent the highest quality and are engineered for maximum power. They're compatible with turbo, supercharger, and/or nitrous applications. Standard features include: * Deep valve reliefs accommodate high lift camshafts * Larger valve reliefs for +1mm valve sizes * Custom skirt cam and barrel design * Accumulator grooves * High performance rings * Fully CNC-machined and balanced to +/- gram; wrist pins included * Double pin oilers force fed from oil ring groove * Pin lock grooves for easy lock removal * Pin fitting included

Not Yet Reviewed

$1,327.73

CP Pistons 360 SBC Sprint Pistons

CP Pistons 360 SBC Sprint pistons are balanced to +/-1 gram, never letting you down. They are designed for backcut rings and Brodix Spec heads. These 360 SBC Sprint pistons have accumulator and anti-detonation grooves, custom skirt cam and barrel shapes, pick lock grooves for easy lock removal, dedicated left and right hand forging, and they are fully CNC-machined. Also included are chamfered pins and wire locks.

Not Yet Reviewed

$1,495.20

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