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Technical Articles for Part Number HRS-221213-08
Howards Cams Steel Billet Mechanical Roller Camshafts 221213-08
Part Number: HRS-221213-08
Howards Cams Steel Billet Mechanical Roller Camshafts
Camshaft, Mechanical Roller Tappet, Advertised Duration 261/269, Lift .592/.592, Ford, 351W, Each
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Estimated Ship Date: Dec 31, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
221213-08
Part Type:
Product Line:
Summit Racing Part Number:
HRS-221213-08
UPC:
840793110506
Cam Style:
Solid roller, Retro-fit
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Noticeable idle, Street Rod Cruiser. Should have 9.0:1 compression ratio, 2,000+ stall.
Basic Operating RPM Range:
2,000-6,000
Intake Duration at 050 inch Lift:
229
Exhaust Duration at 050 inch Lift:
237
Duration at 050 inch Lift:
229 int./237 exh.
Advertised Intake Duration:
261
Advertised Exhaust Duration:
269
Advertised Duration:
261 int./269 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.592 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.592 in.
Valve Lift with Factory Rocker Arm Ratio:
0.592 int./0.592 exh.
Lobe Separation (degrees):
108
Camshaft Gear Attachment:
1-bolt
Intake Valve Lash:
0.022 in.
Exhaust Valve Lash:
0.022 in.
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Quantity:
Sold individually.
Howards Cams Steel Billet Mechanical Roller Camshafts
Howards Cams steel billet mechanical roller camshafts are serious cams for serious performance. Cut from billet steel these high-grade, race-quality mechanical roller cams from Howards are ground on precision equipment to ensure awesome performance. Mechanical roller cams offer aggressive power for all-out competition. They're billet, they're Howards, and they're serious-- mechanical roller camshafts!
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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