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Charts & Guides for Part Number SUM-8906
Summit Racing™ Pro SBF and 303+ Hydraulic Roller Cams SUM-8906
Part Number: SUM-8906
Summit Racing™ Pro SBF and 303+ Hydraulic Roller Cams
Pro SBF Best Hydraulic Roller Cam 6, 232/242 Duration, 110 LSA + 3 Adv. .587/.587 lift 1.6 ratio, .625/.625 lift 1.7 ratio, 3,200-6,700 basic rpm
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Overview
Brand:
Manufacturer's Part Number:
SUM-8906
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8906
Item Number:
8553569
UPC:
190861363380
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
HR 6 likes 3.55+ gears and a 3000+ stall converter. It has stable but choppy idle with a 302 Cid. on up. Great for weekend drivers. Headers and free flowing mufflers required.
Basic Operating RPM Range:
3,200-6,700
Intake Duration at 050 inch Lift:
232
Exhaust Duration at 050 inch Lift:
242
Duration at 050 inch Lift:
232 int./242 exh.
Advertised Intake Duration:
284
Advertised Exhaust Duration:
291
Advertised Duration:
284 int./291 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.587 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.587 in.
Valve Lift with Factory Rocker Arm Ratio:
0.587 int./0.587 exh.
Lobe Separation (degrees):
110
Camshaft Gear Attachment:
1-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Rotation:
Clockwise
Quantity:
Sold individually.
Summit Racing™ Pro SBF and 303+ Hydraulic Roller Cams
Are you looking for a great made-in-the-USA cam for your 5.0L H.O. engine? Pro SBF and 303+ cams start with American bearing steel billets, the cams are precision-machined on a modern Landis CNC grinder with CBN diamond wheels for unmatched quality.
Still thinking in terms of LSA and duration splits? These cams are designed on a whole other level by tuning each of the four valve events separately. Having a cam with attitude doesn't mean it has to be a dog at low rpm. We've tuned each of the four valve events to maximize power and torque in the range you will be running in. You CAN have your cake and eat it too.
Summit Racing's™ affordable E303 Plus, B303 Plus, and F303 Plus are designed to tune easily and have the idle you're looking for. We've applied the latest lobe technology, and the valve events have been tweaked for modern intake manifolds and cylinder heads.
The Pro SBF lineup ranges from a 204-duration daily driver tow cam to a 252 duration 8k rpm barn-burner. They are ground in fine increments to match your specific engine's top-end, displacement and intended rpm range. The lobes are stable to high-rpm and easy on the valvetrain, but we've added lift to take advantage of the high-lift flow of the latest cylinder heads. They are more aggressive with more overlap than their 303+ brothers for more attitude.
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Some parts are not legal for use in California or other states with similar laws / regulations
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