Our high performance products are manufactured with state-of-the-art equipment, utilizing stringent quality control procedures to significantly improve all components for prolonged durability and reliability.

Whether building a street performance engine or a drag motor, Vance & Hines engine components are drop-in upgrades providing needed stability while reducing premature wear. All components are made to exacting tolerances ensuring maximized performance.


HIGH PERFORMANCE CAMSHAFTS

· "Bolt-In" Camshafts
· Silent Ramp Profile to Eliminate Valvetrain Noise
· Includes High Performance Inner Cam Bearings & Gasket Set


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Motorcycle Camshafts

ADJUSTABLE PUSHRODS

· Hardened and Tempered 4130 Chromoly
· Designed for High-Stress and Extreme Spring Pressures
· 7/16" x 0.095" Single Taper 5/16" x 24 TPI
· Witness Markings for Quick Install and Precise Adjustment


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Motorcycle Pushrods

HIGH PERFORMANCE LIFTERS

· Tighter Inner Diameter Grind for Substantial Lower Leak Down
· Features Direct Lubrication to Axle and Roller Needle Bearings
· Allows Use of Higher Spring Pressure and Increased RPM Capability


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Motorcycle lifters

HIGH PERFORMANCE PISTONS

· Forged 2618 aluminum
· Moly coated piston skirts
· High-strength, light Weight Chromoly Wrist Pin
· Phosphate Coating to Reduce Micro-Welding and Pin Galling
· Forced Pin Oiling Preventing Scuffing at Start Up
· Precision Machined Ring Grooves Preventing Ring Flutter and Positive Ring Seal
· Includes Two Pistons, Wristpins, Ring Set, Pin Locks


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Motorcycle pistons

HIGH PERFORMANCE LUBRICANTS

· Specifically Formulated with Anti-Wear Characteristics, Prolonging Engine Life
· Exceeds All Performance Criteria for American V-Twin Engines
· Formulated for Both Air-Cooled and Liquid-Cooled 4-Stroke Engines
· High-Temperature Stability and Superior Viscometric Profile


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High Performance Oil

HIGH PERFORMANCE VALVES

· Precision CNC Machined from a Stainless One Piece Forging for Higher Strength & Durability
· High grade Allows Design to Withstand High Heat and Maintain Roundness
· Chrome Coated
· Micro Polished Stem for Smoother Finish and Less Friction Resulting in Improved Performance
· Multi Angle Back Cuts for Enhanced Flow
· 7 Millimeter Stem
· First to Market to Introduce a V-Twin Hollow Stem 1.900” & 2.000” Intake Valve, an Estimated 4 Grams Lighter than OE Valve. Ideal for Higher Revving Engines
· 1.630” Exhaust Valve Also Available in Inconel, Designed for Extreme Exhaust temperatures


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HIGH PERFORMANCE VALVE & SPRINGS SET

Find the perfect Valve and Spring combo for your Twin Cam Harley-Davidson


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Valve and Spring Set

HIGH PERFORMANCE SPRINGS

· Retainers made from 4140 Chromoly Steel
· Heat treated & processed to maintain high Strength and lightweight design
· Keepers Type FMOD7 Lock Angle 7˚, Triple Radius groove, Standard Install Height
· Equipped with Chromoly Spring Bases
· Kit Comes with Viton Seals Designed for Maximum Retention of Elastic Properties along with Excellent Resistance to Fluids, Heat, and Aging


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Motorcycle Springs

TWIN CAM CAST IRON VALVE GUIDE

· Cast Iron Guide
· Direct O.E. Replacement (Verify Against O.E. Parts/ May Require Addtl. Machining)
· Shouldered Guide for Positive Stop
· Designed for Durability and Longevity
· Precision Machined for Concentricity
· Tapered to Prevent Galling During Installation
· 2.018” Overall Length
· Intended for use with 7mm Valve Stem
· Can be used for Intake or Exhaust Guide


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TWIN CAM VALVE SEAT KIT

· Proprietary Alloy Designed With High-Level Thermal Properties
· Engineered and Tested to Perform Under the Most Extreme Conditions
· Designed for Durability and Longevity
· Excellent Machinability and Wear Resistance
· Kit Available in Either Exhaust or Intake Position


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HIGH PERFORMANCE HAYABUSA VALVE SPRINGS

· Engineered and Tested to Perform Under the Most Extreme Conditions
· Designed for Performance and Durability
· Made in the U.S.A.

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Hayabusa valve springs

HAYABUSA TITANIUM RETAINER SET

· Made from 6AL4V Titanium
· Engineered and tested to perform under the most extreme conditions
· Titanium retainers are the lightest in the industry
· Proven to have less valve bounce at high RPM without sacrificing durability
· Stock Replacement
· Set comes with 16 Titanium Retainers

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Motorcycle Titanium Retainer Set

ENGINE SERVICES

· Learn more about our Engine Services Department


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Motorcycle Engine Services