Product Summary

260 Intake Duration, 260 Exhaust Duration

  • Will work with the 1949-1953 Flathead Ford V8
  • Engineered to give low speed and midrange power with a good idle
  • Designed to work with a stock carburetor
  • Intake and exhaust duration is 260 (220 with a .50" lift)
  • Features a lobe separation of 111 °

Key Specs

MFG. Part #817700
BrandIsky Cams

Need To Know

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This is the cam of choice of choice if you are building a basic street flathead. The 77-B is a low speed and midrange power cam with a good idle. A stock carburetor can be used with this cam. Make sure you check valve to head clearance before installing heads.

Item Details

3/4 Race - Good idle, good low-mid range power.


CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


MFG. Part #817700
BrandIsky Cams
Intake Duration260
Exhaust Duration260
Intake Duration (.050" Lift)220
Exhaust Duration (.050" Lift)220
Lobe Separation111 °
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