COMP Cams Specialty Hydraulic Flat Tappet Camshafts Lift .425"/.440" Duration 252/260
Product Discontinued
COMP CAMSPART NUMBER: 249-12-306-4

COMP Cams Specialty Hydraulic Flat Tappet Camshafts Lift .425"/.440" Duration 252/260

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Chevy Small Block
    COMP Cams Specialty Hydraulic Flat Tappet Camshafts
    Lift .425"/.440"
    Duration 252/260


  • Specialty Camshaft
  • 1 Year Limited Warranty

    SBC; Chevrolet; Chevy Small Block; Small Block Chevrolet; 265; 283; 307; 302; 327; 350; 305; 262; 400; 383; 427; 406; 355; 267; L46; L48; L65; LM1; ZQ3; LT1; L82; L81; LS9; LT-9; L83; L98; L05; L31; LG3; LG4; LU5; L69; LE9; LB9; L03; L30; Chevelle; Camaro; Swap; Corvette; Bel Air; Z28; Z2/8; Duntov; Nova; Monaro; Firebird; Trans-Am; Pontac; C10; C20; K10; Blazer; S10; Monza; Ventura; Monte Carlo; Malibu; El Camino; Caprice; Vortec; SS


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Emissions Note:

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) #D-279-5

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeCamshaft
BrandCOMP CAMS
Package Height3.0
Package Width3.0
Package Length24.2
Weight9.1 PG
Part CategoryPerformance Parts
Carb Eo NumberD-279-5 (pdf)
Exh. Duration @ .050 In. (Deg)212
Cam StyleHydraulic flat tappet
Grind NumberCS 252AH-8
Exh. Duration Advertised (Deg)260-7
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.425
Int. Duration @ .050 In. (Deg)206
Intake Valve Lift0.425 in (10.795 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)252-4
Lobe Separation (Deg)108
Rpm Range600-4600
Advertised Duration252 int./260 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.44
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.425 int./0.440 exh.
QuantitySold individually
Exhaust Valve Lift0.44 in (11.176 mm)
Advertised Intake Duration252
Intake Duration At 050 Inch Lift206
Exhaust Duration At 050 Inch Lift212
Advertised Exhaust Duration260
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift206 int./212 exh.
Valve Springs RequiredYes
Vendor Part Number12-306-4
Package Qty1
Package TypeEA
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