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Technical Articles for Part Number HRS-112791-06
Howards Cams Oval Track Lift Rule Hydraulic Flat Tappet Camshafts 112791-06
Part Number: HRS-112791-06
Howards Cams Oval Track Lift Rule Hydraulic Flat Tappet Camshafts
Camshaft, Hydraulic Flat Tappet, Advertised Duration 288/292, Lift .450/.450, Chevy, Small Block, Each
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Estimated Ship Date: Dec 31, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
112791-06
Part Type:
Product Line:
Summit Racing Part Number:
HRS-112791-06
UPC:
840793103270
Cam Style:
Hydraulic flat tappet
Camshaft Use:
Circle Track
Camshaft Manufacturers Description:
.450 lift rule, medium banked 3/8-mile tracks.
Basic Operating RPM Range:
2,800-6,400
Intake Duration at 050 inch Lift:
235
Exhaust Duration at 050 inch Lift:
239
Duration at 050 inch Lift:
235 int./239 exh.
Advertised Intake Duration:
288
Advertised Exhaust Duration:
292
Advertised Duration:
288 int./292 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.450 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.450 in.
Valve Lift with Factory Rocker Arm Ratio:
0.450 int./0.450 exh.
Lobe Separation (degrees):
106
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Quantity:
Sold individually.
Howards Cams Oval Track Lift Rule Hydraulic Flat Tappet Camshafts
Howards Cams oval track lift rule hydraulic flat tappet camshafts are designed to meet the requirements of oval track racing. These camshafts are offered in a variety of profiles, each specifically geared to track length and type. Manufactured using dedicated, high-precision cam grinding machines, each oval track lift rule hydraulic flat tappet camshaft is 100 percent Rockwell checked and Parkerized to ensure the highest quality standards are met. You can count on Howards Cams for the right cam for your oval track racing needs!
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Some parts are not legal for use in California or other states with similar laws / regulations
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