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Valve springs are one of the most critical and overlooked components in your engine. They must be matched to your cam in order for the engine to reach its full potential. Summit Racing™ springs are made from high quality steel with precision winding and surface treatments. Special consideration for reduced valvespring and retainer mass ensures stability at high rpm. This reduces valve float, extends the rpm range, and greatly reduces valvetrain wear.
( 31 )
$4.99
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$599.99
These High Energy hydraulic lifters from COMP Cams feature a patented, constant orifice-metering valve that precisely meters oil to the rocker arms. Continuous contact between the metering valve and the precisely coined bottom surface of the pushrod seat is maintained throughout the engine's rpm range, eliminating excessive oiling at high speeds. The pushrod seat is made of a special powdered metal iron alloy, heat-treated for strength and wear resistance. The longer piston is produced with through-hardened steel that provides more bearing surface and increased lifter longevity. These lifters have a lightweight check valve disk that allows for quicker response, resulting in increased engine speed before valve float.
( 156 )
$14.95
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$299.95
Dart's high-quality valve spring retainers are designed to help prevent valve float at high rpm. These durable valve spring retainers are constructed using top-quality materials. Dart valve spring retainers are offered in a variety of diameters and a choice of lock styles to suit your application.
Not Yet Reviewed
$5.99
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$10.99
S&S Cycle offers Street Performance .585 in. valve spring kits to upgrade your bike's performance—so you don't have just another "me too" motorcycle. Order the valve spring kit designed for your make and model. Features and specifications: * Available for fitment on a variety of Harley-Davidson® and Buell models * Kit contains springs, top and bottom collars, keepers, and shims * Accommodates camshaft lift to 0.585 inches * Suitable for high performance applications * Coil springs reduce the risk of valve float
Not Yet Reviewed
$163.95
Made of titanium, these retainers will let you squeeze more RPM out of your engine and lighten up on your valve springs to avoid valve float. Manley lightweight titanium retainers do not sacrifice reliabity and weigh up to 5 grams less then a comparable steel piece.
Not Yet Reviewed
$16.72
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$267.54
Manley Sport Compact valve locks are manufactured from premium-quality, heat-treated steel. They are machined to exacting tolerances to ensure a proper fit with the valve spring and retainer. They feature a special beadlock groove that affords minimal vertical movement, especially when a valve float is present, for enhanced service life. Try these Manley Sport Compact valve locks for your performance engine rebuilds.
( 1 )
$6.17
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$49.30
Clearance
Dove Manufacturing offers jumbo-style valve locks in a variety of valve stem diameters. Machined from steel, these small 10-degree components are at the heart of competition valvetrains. If engines are exposed to over-revving, for instance, causing valve springs and even valve retainers to float, the valve locks ensure stability.
Not Yet Reviewed
$37.99
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$38.79
$26.50
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$27.50
Clearance
Higher rpm, increased boost/drive pressures, and aggressive camshaft profiles can result in valve float and cause serious damage to diesel valvetrains. Valves can also be blown open by higher boost and exhaust drive pressures creating reversion that allows exhaust gas to enter the cylinders on the intake stroke. This re-introduced exhaust gas shields fuel particles from oxygen, delays the start of combustion, decreases cylinder pressure and temperature, and lengthens the time needed to completely burn the fuel … all reducing power. Hamilton Cams valve springs can improve power by allowing higher boost pressures and rpm without valve float or excess reversion. Their single valve springs work well up to 4,500 rpm with moderate-lift camshafts and OEM-size valves. However, as rpm, valve lift, spring pressures, and valve sizes increase, dual Hamilton Cams valve springs are necessary to properly control the valves. For the highest camshaft lifts, they should be used with Hamilton Cams titanium retainers. Note: As a precautionary measure, titanium retainers should be inspected after every season for excessive wear.
Not Yet Reviewed
$19.99
$18.50
Feuling Parts Race Series lifters are a high performance upgrade for your motorcycle. Full-travel hydraulic or solid roller lifters are machined from a steel body for large-lift camshafts in standard or oversized OD applications. They will maintain proper oil flow to the top-end, increasing engine rpm and valvetrain stability, while decreasing valve float. This promotes maximum valve lift, with more horsepower and torque output. A high-volume oil pump is recommended for best results. Race Series lifters are drop-in replacements on both strip and performance street engines. They're available to fit a variety of bike makes and models, including Buell and Harley-Davidson®.
Not Yet Reviewed
$298.95
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$307.95
Proven to eliminate the OEM valvetrain's weakest link, APR valve spring and retainer kits are high performance, lightweight upgrades that increase valve control and eradicate valve float, common on many applications. The advanced design of these valve spring, retainer, and spring seat combinations are 28 percent lighter yet 20 percent stiffer and will not overpower and snap the OEM valves or erode the aluminum spring seat. Features: * Increase valvetrain control * Supports higher revving applications * Weight saving beehive spring design * ASTM A877A OTSC round wire steel springs * 6AL4V American titanium retainers * 4140 heat-treated chromoly steel spring seats with black oxide coating * 29 grams per spring * 2 grams per retainer * Compatible with OEM valves * Spring seats protect against aluminum erosion in the head
Not Yet Reviewed
$61.45
BBR Motorsports high performance valve springs are designed to prevent valve float and ensure consistent valve control when using a BBR high-performance camshaft, which increases engine RPM and power by using more aggressive valve lift and duration profiles. These stronger, heavy-duty springs provide the necessary force to keep valve train stable at higher engine speeds, protecting the engine from severe damage by maintaining control over the valve opening and closing. Key features: * Constructed from high-quality chrome-silicon wire for enhanced durability and strength * Specifically designed to be used with BBR's high-performance camshafts for the Honda® CRF150F/230F * Ensures that the valve remains properly seated, preventing damage to the valve, retainer, and even the piston * Fully shot-peened and preset for long part service life
Not Yet Reviewed
$67.95
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