Product Summary

Solid Flat Tappet Camshaft Type, 3500-7250 RPM Range

  • Solid flat tappet cams offer superior performance and the very best value
  • Grinds are individually tried and tested
  • Cam compatible with 289/302 engines if ignition firing order is changed to 351W
  • RPM range 3500-7250
  • Must be used with a break-in oil additive (sold separately)
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Key Specs

Camshaft TypeSolid Flat Tappet
RPM Range3500-7250
Intake Duration (.050" Lift)252
Exhaust Duration (.050" Lift)256
Lobe Separation106 °
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Need To Know

Quick and Easy Returns

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Speedway Motors 91555012 Details

Our solid flat tappet cams offer superior performance and the very best value. These grinds are tried and tested! Cam can also be used in 289/302 engines if ignition firing order is changed to 351W: (1-3-7-2-6-5-4-8).

Must be used with a break-in oil additive (sold separately).

Item Details

Very Hot 351W Cam

Charts

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

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, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. 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.

Speedway Motors 91555012 Specifications

KEY SPECS
MFG. Part #91555012
BrandSpeedway Motors
Camshaft TypeSolid Flat Tappet
RPM Range3500-7250
Intake Duration (.050" Lift)252
Exhaust Duration (.050" Lift)256
Lobe Separation106 °
GENERAL
Intake Valve Lift w/ Rocker Arm Ratio0.578"
Exhaust Valve Lift w/ Rocker Arm Ratio0.589"
Intake Duration281
Exhaust Duration285
Sold in QuantityEach

Ratings & Reviews

5

1 Review

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Amazing Cam for the price

5.0

2 months ago

Don

California

I brag about this cam all the time. Ran 10.70s with a 351W in a Foxbody and then built a new 393W and put the same cam in and ran 10.30s and it pulled up to 7400rpm with no issue.

Would Recommend

Showing 1 of 1 reviews

Questions & Answers

4 Questions • 4 Answers

Wat distributor gear will work with this cam? Steel or cast gear?

by Lucas

• 3 years ago

1 answer

I have the small block ford 91555012 cam. I'm having trouble finding the correct valve springs to use. Thank you in advance. 👍

by Robert

• 6 years ago

1 answer

What are the recommended valve springs for this camshaft?

by Jared the Ford guy

• 7 years ago

1 answer

I need full spec's for camshaft p/n 91555012 can you email me full cam card info for this cam?

by Farmtruck

• 13 years ago

1 answer

4 of 4 questions shown

Fitment

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