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$409.85
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Part number: K31-250-4
Competitor Pricing
Product Details
Comp Cams K31-250-4 Xtreme Energy Camshaft Kit
Products specifications
Advertised Duration 284 int./296 exh.
Advertised Exhaust Duration 296
Advertised Intake Duration 284
Assembly Lubricant Included Yes
Basic Operating RPM Range 2,300-6,500
Cam Style Hydraulic flat tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 240 int./246 exh.
Exhaust Duration at 050 inch Lift 246
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.544 in.
Footnotes 33 - Pre-1972 engines use Part number 3220.
Gaskets Included No
Grind Number FS XE284H-10
Intake Duration at 050 inch Lift 240
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.541 in.
Lifter Style Hydraulic flat tappet
Lifters Included Yes
Lobe Separation (degrees) 110
Locks Included Yes
Outside Diameter of Outer Spring (in) 1.430 in.
Pushrods Included No
Quantity Sold as a kit.
Retainers Included Yes
Rocker Arms Included No
Timing Chain and Gears Included Yes
Timing Chain Style Double non-roller
Valve Lift with Factory Rocker Arm Ratio 0.541 int./0.544 exh. lift
Valve Springs Included Yes
Valve Springs Required No
Valve Stem Seals Included Yes
Title K31-250-4 CamShaft Kit, FS XE284H-10
Engine Make/Size Ford 289-302
RPM Range 2000-9000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 246
Exh. Duration Advertised (Deg) 296
Exhaust Valve Lift (in.) 0.544
Int. Duration @ .050 in. (Deg) 240
Int. Duration Advertised (Deg) 284
Intake Valve Lift (in.) 0.541
Lifter Type Hydraulic Flat Tappet
  • Produces Better Throttle Response
  • Produces Top Engine Horsepower
  • Delivers Increased Engine Vacuum
  • 1 Year Limited Warranty
Reviews
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I had a great experience shopping at autoplicity
J
Autoplicity had the lowest price by far and shipping was very fast (ordered Wednesday evening, arrived Saturday morning). I will definitely order from Autoplicity again!
F
Very pleasant order over the phone.  Gentleman was smart, cheerful and helpful.
M
Just what you want from a merchant but don't expect; fast, courteous service and attention to the details of your order.  I'm a happy consumer. Thank you, Autoplicity.  I'll be back.
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