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Part number: 54-458-11
Product Details
Comp Cams 54-458-11 LS1 Camshaft Hydraulic Roller
Products specifications
Advertised Duration 277 int./285 exh.
Advertised Exhaust Duration 285
Advertised Intake Duration 277
Basic Operating RPM Range 1,900-7,000
Cam Style Hydraulic roller tappet
Camshaft Gear Attachment 3-bolt
Computer-Controlled Compatible Yes
Duration at 050 inch Lift 227 int./235 exh.
Exhaust Duration at 050 inch Lift 235
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.621 in.
Grind Number 277LRHR13
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) 113
Notes Requires computer tuning in stock EFI applications.
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.614 int./0.621 exh. lift
Valve Springs Required Yes
Title 54-458-11 CamShaft, LS1 277Lr HR-113
Engine Make/Size Chevy Small Block LS1
RPM Range 1900-7000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 235
Exh. Duration Advertised (Deg) 285
Exhaust Valve Lift (in.) 0.621
Int. Duration @ .050 in. (Deg) 227
Int. Duration Advertised (Deg) 277
Intake Valve Lift (in.) 0.614
Lifter Type Hydraulic Roller
  • Good Street/Strip Camshaft w/Wide Range
  • 1 Year Limited Warranty
Reviews
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D
product just as described, received in 3 days
C
I paid for 2nd day shipping and 5 days later they were shipped out. So, I should receive my rotors in a full week from when I paid for 2 day shipping. I called customer service and they discounted the shipping rate to ground service. At least they were polite and helpful in the phone.
J
My first order did not include all parts. I'm ordering a different part number now. The seller is giving me a discount due to this inconvenience. We will see how it goes.
J
Ordered 4 race ramps flatstoppers for winter storage of my Dodge Viper. Product prevents flat spots on auto tires that are stored more than 30 days. Order process was extremely easy, product was promptly shipped. I'll definately do business with Autoplicity in the future.
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