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Ford Performance Parts teamed up with Jon Kaase to redesign their 429 Cobra Jet cylinder heads, and the results are these Super Cobra Jet heads. They feature revised valve angles and locations to reduce cylinder wall shrouding and improve flow, along with redesigned combustion chambers to accommodate the more centrally located valves. These heads use the same valves, valve springs, retainers, and 7/16 in. stud-mounted roller rockers as the current Ford Performance Parts 429 Cobra Jet heads, and the standard Cobra Jet intake and exhaust manifolds bolt right on. This new design offers a 25-50 HP increase over current Cobra Jet heads, depending upon displacement and camshaft.
( 13 )
$1,772.99
S&S Cycle Super Stock T2 crankcases are stock looking, but stronger with thicker wall sections, superior 356 T-6 aircraft grade aluminum, and a tough powdercoat finish. Available in different bore sizes, as well as stock, each kit will include an S&S crankcase, bearings, hardware, and instructions. Select the one designed for your Big Twin engine. Additional features and notes: * Reinforced front motor mount for extra strength * Timken sprocket shaft bearing is strong enough for the most demanding applications * Clearanced for strokes up to 4 13/16 in. and cams up to .720 in. lift * Includes pinion and Timken bearing * Manufacturer's Statement of Origin (MSO) included * Studs and cam bearings installed * Stock bore and 4 1/8 in. bore cases come with dual piston cooling jets
Not Yet Reviewed
$1,999.95
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
( 1 )
$1,638.99
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$1,705.99
Trick Flow® PowerPort® 325 cylinder heads for Ford 429/460 engines deliver significant horsepower and torque gains over other similar-style cylinder heads. Notable features include an extremely efficient chamber design for more complete combustion and exhaust ports raised .270 in. from stock for increased airflow. Trick Flow® PowerPort® 325 heads also feature Trick Flow's® CNC Competition Ported runners and CNC-profiled combustion chambers. These premium high-resolution surface finishes are perfect for building maximum performance. Trick Flow® PowerPort® 325 cylinder heads are available fully assembled or as bare castings. Sold individually.
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$1,849.99
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$1,999.99
Trick Flow PowerPort® 290 cylinder heads for Ford 429/460 engines deliver significant horsepower and torque gains over similar-style cylinder heads. The heads have Fast As Cast® runners that duplicate the port shape and profile of CNC-ported heads for near-CNC-ported power and performance for about the same price as regular cast cylinder heads. Other features include an extremely efficient chamber design for more complete combustion and exhaust ports raised .270" from stock for increased airflow, Trick Flow PowerPort 290 cylinder heads are available fully assembled or as bare castings. Sold individually.
Not Yet Reviewed
$1,549.99
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$1,599.99
March Performance Chevy Small Block "Ultra Drive" custom serpentine kits are designed for mounting accessories below the valve covers and in-between the width of the heads. These kits are a low-cost alternative to the Deluxe and Ultra Series that give up nothing in performance. Their components are precision CNC-machined from 6061-T6 aluminum for strength and perfect fit. The pulleys will not fracture like common cast pulleys, since they have high tensile strength for much longer wear—and are hard-coated for extra durability. Custom kits feature: * Sanden air conditioning compressor * 140 amp alternator * GMB aluminum reverse rotation water pump * Maval Type 2 power steering pump (except where noted) * Dayco spring loaded tensioner * Air conditioning bracket * Alternator bracket * Billet power steering bracket (except where noted) * Crank pulley * Hard-coated water pump pulley with fairing * Alternator pulley with machined fan * Power steering and tensioner pulleys * Wing cross emblem * Air conditioning line fittings * Grade 8 mounting hardware * Some models include power steering pump
( 1 )
$1,895.99
Jesel Sportsman tie-bar roller lifters offer Jesel quality and durability at a lower cost. From mild drag engines, street/strip builds, pleasure boats to circle track, these lifters will give you the bulletproof performance you are looking for. Sportsman lifters have polished 8620 heat-treated bodies and are assembled with bronze bushing cam rollers. They also share the same roller, axle, tie-bar, and hardware found in Jesel's Pro Series line. The bronze bushings used have been tested for durability through hundreds of torturous dyno pulls and over a million cycles on Jesel's in-house Spintron. Lifters are available for select OE and aftermarket applications with a range of lifter body diameters from .842 in. to .905 in. with either offset or on-center pushrod seats. Choose the proper fit for your application. Features: * Heat-treated polished 8620 bodies * .842 in., .875 in., and .905 in. diameter bodies * Heat-treated stainless steel tie-bars * Pressurized oiling to the axle assembly ensures adequate oil supply * Heat-treated and polished tool steel roller
Not Yet Reviewed
$1,775.00
March Performance Chevy small block "Ultra Drive" deluxe serpentine kits are designed for mounting accessories below the valve covers and in-between the width of the heads. They're ideal for applications that have minimal engine to radiator clearance. Kit components are precision CNC-machined from 6061-T6 aluminum for strength and perfect fit. The pulleys will not fracture like common cast pulleys, since they have high tensile strength for much longer wear—and are hard-coated for extra durability. Deluxe kits feature: * Polished Sanden air conditioning compressor * 140 amp alternator * GMB aluminum reverse rotation water pump * Maval Type 2 power steering pump (except where noted) * Dayco spring loaded tensioner * Air conditioning bracket * Alternator bracket * Billet power steering bracket and housing cover (except where noted) * Crank pulley * Hard-coated water pump pulley with fairing * Alternator pulley with machined fan * Power steering and tensioner pulleys * Wing cross emblem * Air conditioning line fittings * Grade 8 mounting hardware * Some models include power steering pump and pulley
( 2 )
$1,833.99
COMP Cams Xtreme marine cam and lifter kits take advantage of the newest developments in camshaft design. Their aggressive lobe design produces better throttle response and top-end horsepower than other systems with the same duration at .050 in., while delivering increased engine vacuum. These kits are available for everything from pleasure boats to race applications, so you can always have Xtreme performance on the water.
( 20 )
$1,538.95
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$1,546.95
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