- Eliminate cam chain entirely with complete gear-driven components
- Andrews Products designs and grinds it cams using the latest in CAD programming and CNC manufacturing
- This superior technology gives the utmost in both performance and reliability
- Only the best alloy steel billets and heat treating processes are used
- The power in Harley's Twin Cam engine can be made even more formidable with superior Andrews computer-designed high performance cams
31G Grind Cams
- Great cam for motores with 95+ inches and 10:1 compression
- Lower TDC lift means easy installation
- Similar to 37G but different timing
- 2000-5800 RPM power range
- Can be used with stock springs and tappets
NOTE: Cams require gear set H11-123 for installation.
NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
INTAKE:- Opens: 11 degrees
- Closes: 35 degrees
- Duration @ .053: 226 degrees
- Duration @ .020: 262 degrees
- Valve Lift: .490
- Lift TDC: .129
EXHAUST:- Opens: 41 degrees
- Closes: 09 degrees
- Duration @ .053: 230 degrees
- Duration @ .020: 266 degrees
- Valve Lift: .490
- Lift TDC: .112
Specs Andrews Gear Driven 31G Grind Cam 288131G
Images Andrews Gear Driven 31G Grind Cam 288131G
(click on photo(s) for larger images)
Andrews Gear Driven 31G Grind Cam 288131G
Sizing Andrews Gear Driven 31G Grind Cam 288131Gsizing
Sendtofriend Andrews Gear Driven 31G Grind Cam 288131G
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