Engines and Components› Camshafts and Valvetrain
COMP Cams
COMP Cams Mega 8 Hi-Lift 248/254 Hydraulic Roller Camshaft for Harley-Davidson Milwaukee 8
SKU: C007 307-501-9
Moderate — 2–4 hours
Description
Part #: 307-501-9
Mega 8 "Does It All Cam" 117 c.i.d. kits. Big torque and top gains and will make well over 138+ HP using ported heads, performance exhaust, intake system.Gross Valve Lift: .522 In/.522 ExValve Lift @ TDC: .172 In/.145 ExTappet Lift @ TDC: .108 In/.091 ExLobe Lift: .326 In/.326 ExDuration @ .053: 248 In/254 ExValve Timing Open/Close: 18 In/50 Ex Open and 62 In/13 Ex CloseInt. Centerline: 106 In/114.5 ExLobe Sep.: 110.25
Big torque and top end gains. Will make well over 138+ HP using ported heads, performance exhaust and intake system
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | COMP Cams |
| Part Number | C007 307-501-9 |
Videos
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy