Description
SBC Solid Roller Cam w/Small Base Circle
Camshaft – 4/7 Swap Steel Billet – Mechanical Roller – 4/7 Swap – Lift 0.640 / 0.640 in – Duration 283 / 289 – 106 LSA – 3600 / 7600 RPM – Small Block Chevy – Each
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Product Line
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4/7 Swap
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4/7 Swap
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Yes
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Base Circle
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Small
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Camshaft Lifter Style
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Mechanical Roller Tappet
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Advertised Intake Duration
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283
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Intake Duration at 0.050 in
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251
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Advertised Exhaust Duration
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289
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Exhaust Duration at 0.050 in
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257
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Intake Lift
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0.640 in
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Exhaust Lift
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0.640 in
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Lobe Separation Angle
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106 Degrees
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Operating Range RPM Lower
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3600 RPM
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Operating Range RPM Upper
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7600 RPM
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Hot Intake Lash
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0.022
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Hot Exhaust Lash
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0.022
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Material
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Billet Steel
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Color
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Natural
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Finish
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Natural
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Quantity
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Each
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Note
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Mechanical Roller – Small Base Circle, strong mid-range HP, rough idle. Oval Track & Bracket cars.
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Howards Cams produces high-performance cams and valve train components designed to boost the performance of a number of different V6 and V8 engines. They also manufacture several other engine parts such as connecting rods, crankshafts, and more, all built with the same passion and precision that has made Howards an industry leader for over 70 years.
