Andrews 31H Cams for 2007-2017 Harley Twin Cam

Product Description

Andrews 31H Chain Drive Cam Set for Harley Twin Cam

Upgrade your Harley-Davidson Twin Cam with the Andrews 31H Chain Drive Cam Set. Designed for performance-oriented 96ci engines with increased compression, the 31H provides a strong combination of midrange torque and upper-rpm horsepower while retaining excellent street manners.

The Andrews 31H is especially well suited for 96ci engines with approximately 9.8:1 to 10.2:1 compression. Its relatively low valve lift at TDC helps simplify installation while the .510" intake and exhaust lift provides a noticeable performance increase. With a power range of approximately 2,400-5,600 rpm, the 31H is an excellent choice for riders looking for stronger acceleration through the midrange without moving to a high-lift cam requiring upgraded valve springs.

Fitment

• Fits 2006 Harley-Davidson Dyna models with Twin Cam engines
• Fits 2007-2017 Harley-Davidson Twin Cam models
• Fits select Harley-Davidson Touring, Softail, Dyna and Trike applications
• Designed for factory-style roller chain cam drive systems
• Designed for use with stock Harley-Davidson hydraulic lifters
• Compatible with stock valve springs
• Ideal for 96ci engines with approximately 9.8:1 to 10.2:1 compression
• Installer must verify valve-to-valve, valve-to-piston and valve spring coil-bind clearance during installation

Features

• 31H performance camshaft grind
• Strong midrange and upper-rpm performance
• Designed for approximately 2,400-5,600 rpm operation
• Excellent choice for performance-built 96ci Twin Cam engines
• Works well with approximately 9.8:1 to 10.2:1 compression
• Lower TDC lift helps simplify installation
• Compatible with stock Harley-Davidson hydraulic lifters
• Compatible with stock valve springs
• Manufactured from high-quality alloy steel billets
• Heat treated for strength and durability
• Sold as a matched intake and exhaust camshaft set
• Made in the USA
• Andrews Part Number: 216331

Specifications

• Manufacturer: Andrews Products
• Part Number: 216331
• Grind: 31H
• Drive Type: Chain Drive
• Intake Timing @ .053": 10° / 46°
• Exhaust Timing @ .053": 52° / 8°
• Intake Lobe Centerline: 108°
• Exhaust Lobe Centerline: 112°
• Intake Duration @ .053": 236°
• Exhaust Duration @ .053": 240°
• Intake Duration @ .020": 272°
• Exhaust Duration @ .020": 276°
• Intake Valve Lift: .510"
• Exhaust Valve Lift: .510"
• Intake Lift at TDC: .131"
• Exhaust Lift at TDC: .120"
• Valve Springs: Stock Compatible
• Power Range: Approximately 2,400-5,600 rpm