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Part number: 54-477-11
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Product Details
Comp Cams 54-477-11 LS1 Camshaft Hydraulic Roller
Products specifications
Advertised Duration 277 int./293 exh.
Advertised Exhaust Duration 293
Advertised Intake Duration 277
Basic Operating RPM Range 2,200-7,000
Cam Style Hydraulic roller tappet
Camshaft Gear Attachment 3-bolt
Computer-Controlled Compatible Yes
Duration at 050 inch Lift 227 int./243 exh.
Exhaust Duration at 050 inch Lift 243
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.624 in.
Grind Number 277LCBHR14
Intake Duration at 050 inch Lift 227
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.614 in.
Lobe Separation (degrees) 114
Notes Requires computer tuning in stock EFI applications.
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.624 int./0.624 exh. lift
Valve Springs Required Yes
Title 54-477-11 CamShaft, LS1 277LCB HR-114
Engine Make/Size Chevy Small Block LS1
RPM Range 2200-7000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 243
Exh. Duration Advertised (Deg) 293
Exhaust Valve Lift (in.) 0.624
Int. Duration @ .050 in. (Deg) 227
Int. Duration Advertised (Deg) 277
Intake Valve Lift (in.) 0.614
Lifter Type Hydraulic Roller
  • Strong Midrange Power
  • 1 Year Limited Warranty
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The shipping cost was great.
found what I needed at a great price
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I ordered online with autoplicity via google checkout. It was easy and a real good price compared to other sites. The communication was great every step of the way. Order confirmation, order tracking number and shipping number. Super fast shipping for a heavy item (springs)and was in perfect condition. I Will shop with them again.
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