Product Summary

220 Intake Duration (.050" Lift), 111 ° Lobe Separation

  • 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 °
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Key Specs

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

Need To Know

Quick and Easy Returns

Return Policy

Isky Cams 817700 Details

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.

Charts

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.

Isky Cams 817700 Specifications

KEY SPECS
MFG. Part #817700
BrandIsky Cams
Intake Duration (.050" Lift)220
Exhaust Duration (.050" Lift)220
Lobe Separation111 °
GENERAL
Intake Duration260
Exhaust Duration260
Sold in QuantityEach

Ratings & Reviews

4.7

3 Reviews

Overall Assessment

The product is favored for its exceptional grind quality, surpassing competitor offerings. Customers have found practicality in using it for complex tasks such as engine rebuilds. The material quality and reliability have prompted satisfied users to consider repeat purchases. It's noted for its excellent usability and emphasized safety features.

4.7

3 reviews

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Filter by Ratings

hope i dont have to buy again

5.0

6 months ago

george

florida

Verified

used in building a ford 239 flathead

Would Recommend

I will buy again

4.0

7 years ago

flathead

ohio

Verified

good grind

Yes

5.0

8 years ago

Keith

Canada

Verified

Engine rebuild

Would Recommend

Showing 3 of 3 reviews

Questions & Answers

2 Questions2 Answers

Can i use this cam with stock valvles and springs?

by Zephyer7

8 years ago

1 answer

Does the cam include both gears on each end?

by barney3201

11 years ago

1 answer

2 of 2 questions shown

Fitment

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

Customer Impersonation Script