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S&S Cycle HP103G Gear Drive Camshaft Set

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  • S&S Cycle HP103G Gear Drive Camshaft Set
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$485.99

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Out of Stock in Retail Center Anamosa, IA
Out of Stock in Retail Center Daytona, FL
Out of Stock in Retail Center Sturgis, SD

J&P Part: 990-997 New!

Description for S&S Cycle HP103G Gear Drive Camshaft Set 

S&S Cycle HP103G Gear Drive Camshaft Set

• Comes with camshafts and inner gears, this kit is designed for those who are replacing or upgrading an engine already equipped with S&S Cycle gear drive cams, and will be reusing the existing outer gears

• Installation kit 910-139 is not included but is recommended

• Fuel injection tuning required.

• Pinion shaft run-out must be checked before installing S&S gear drive cams. Gear Drive cams should only be used in engines with pinion shaft runout of no more than .003"

• A hydraulic press and other professional tools are required to install S&S Cycle gear drive cams. Additionally, material must be removed from the inner surface of the stock gearcover.

• The stock crankcase may require clearancing for S&S Cycle .625", .640", and .675" lift cams.

• S&S recommends that gear drive cams be installed by a professional mechanic.

• Due to the inheraent characteristics of gear drives, you may experience more valve train noise with gear driven cams.

• Oversized and undersized gears are available to help achieve correct gear lash.

• S&S Cycle has found that with 160 lb. of valve seat force, theS&S Cycle gear drive cams will perform well up to 6200 rpm. If higher rpm is anticipated, valve springs that provide higher seat force should be used.

• Camshafts that exceed the limits of the stock valve springs require the use of special high lift springs. Most S&S cams have higher lift than stock and are designed to take advantage of the extra flow of ported stock heads or S&S Super Stock heads. Due to the high lift of these cams, S&S adjustable pushrods are recommended.

• To get the best performance from a performance cam installation, a high flow intake and exhaust system is also recommended.

• Quick installation and Easy Start Cams allow stock starter to start any engine.

• Kit contains cams, gearcover gasket, cam bearings, and instructions.

• 1999-2004 stock springs will handle camshafts with lift up to 0.510". If a camshaft with higher lift is installed, high performance valve springs capable of handling a greater lift must be used.

• 2005-up stock valve springs will handle camshafts with lift up to 0.585". If a camshaft with higher lift is installed, high performance valve springs capable of handling a greater lift must be used. Cams with over 0.585" of lift will cause interference between the valve spring top collar and the valve seal with stock cylinder heads.

• Installation of S&S chain drive cams requires special tools. Attempting the cam change operation without these tools will be difficult. Damage can result which will not be covered under warranty.

• For lifts over.510" S&S strongly recommends that the stock chain drive cam be upgraded to the S&S Cycle gear drive or to the H-D part number 25284-08. This kit upgrades the problematic spring loaded chain tensioners to more reliable hydraulic tensioners, and also upgrades the oil pump

• HP103: Designed as bolt in cams for engines with 103 and stock 9.7:1 compression up to 10.5:1. Works well with stock, un-ported heads, but is great for S&S CNC ported heads. Best power in the higher rpm range, 3000-6000 rpm. Bolt-in.

Made In The USA This product was proudly made in the USA

Important Product Notes

Product Specs

Centerline Exhaust: 101.5°

Centerline Intake: 102.7°

Duration Exhaust @ .053: 251°

Duration Intake @ .053: 249°

Grind: HP103G Camshaft

Lift: .575″

Manufacturer Part Number: 330-0449

Sold in Units: Kit

Fitment for S&S Cycle HP103G Gear Drive Camshaft Set 

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