Product Summary

Solid Flat Tappet Camshaft Type, 2750-6500 RPM Range

  • Tight lash series produces broad range of power
  • Superior lobe design
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Key Specs

Camshaft TypeSolid Flat Tappet
RPM Range2750-6500
Intake Duration (.050" Lift)245
Exhaust Duration (.050" Lift)251
Lobe Separation106 °
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Need To Know

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Speedway Motors 91515001 Details

Speedway Tight Lash cams produce a broad range of power due to the short amount of cam degrees it takes to go from .020" lift to .050" cam lift. This is known as major intensity. The shorter the span the more torque the lobe will produce, and for the lobe to run excellent up at higher RPM, it must have an excellent area under the curve. You can tell these do because of the very high duration at .200" cam lift.

Compare our numbers to other cam profiles and you will find that these are far superior!



Item Details

355-377 ci, high torque 1/4-3/8 mile oval power.

IMCA Approved.

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 91515001 Specifications

KEY SPECS
MFG. Part #91515001
BrandSpeedway Motors
Camshaft TypeSolid Flat Tappet
RPM Range2750-6500
Intake Duration (.050" Lift)245
Exhaust Duration (.050" Lift)251
Lobe Separation106 °
GENERAL
Intake Duration282
Exhaust Duration301
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Ratings & Reviews

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4.0

4 years ago

rod austin

calhoun ky

i was told from a reliable source that comp cams grinds most/all of speedway house brand cams. my complaint upon recthe cam is there is NO INFO included in the cam box. NO SPEC CARD to tell me what cam is in that box. just a generic white box with only speedway part#. there's no indication stamped on the cam to tell what company or grind it is. if this truly is a comp cams(which i believe it is) the least they could do is supply a cam spec card! time will tell if it lives after a few miles... i will be very careful on breakin procedures. i will update

Would Recommend

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Questions & Answers

4 Questions4 Answers

what distributor gear dose this can need

by ace902001

4 months ago

1 answer

What lift of cam is this? Want a solid lift cam for the street. I have manual brakes, so I dont need vacuum.

by tim

6 years ago

1 answer

Valve spring recommendation Looking for a valve spring that will work without removing heads for machining. Running 200cc iron eagles with stock length valves. Cut for 1.550" springs but i only have 1.730" from spring seat to retainer not including shims. I am also running 1.6:1 rockers.

by 1969C10

12 years ago

1 answer

will these work in a 383 stroker engine or will there be clearance issues?

by strykr

15 years ago

1 answer

4 of 4 questions shown

Fitment

  • Gen 1 L76 Small Block Chevy

  • Gen 1 L76 Small Block Chevy

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