Magnum 305H Hydraulic Flat Tappet Camshaft Kit Lift: .525" /.525" Duration: 305°/305° RPM Range: 3000-7000
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-K12-214-4

Magnum 305H Hydraulic Flat Tappet Camshaft Kit Lift: .525" /.525" Duration: 305°/305° RPM Range: 3000-7000

$73795
ShippingShips on 09/15/2026
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Chevy 262-400ci Small Block 1955-98
    Magnum 305H Hydraulic Flat Tappet Camshaft Kit
    Lift: .525''/.525"
    Duration: 305°/305°
    RPM Range: 3000-7000


    Pro Street/Bracket Race, limited street driving. In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small groove in the rear main journal of the cam to allow oil flow to the top of the engine.

    Needs intake, gears, 10.5:1 compression, 3500+ stall. Race idle.

    Operating Range:3000-7000 RPM
    Duration Advertised:305° Intake / 305° Exhaust
    Duration @ .050' Lift:253° Intake / 253° Exhaust
    Valve Lift w/1.5 Rockers:.525' Intake / .525' Exhaust
    Lobe Separation Angle:110°

    265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10


    Pro Street/bracket, limited street driving. Intake, gears, 3500+ stall. Racy idle. 10.5:1 compression.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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

Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height5.2
Package Width10.3
Package Length25.3
Weight22.82 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)253
Cam StyleHydraulic flat tappet
Grind NumberCS 305H-10
Exh. Duration Advertised (Deg)305
Locks IncludedYes
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.525
Int. Duration @ .050 In. (Deg)253
Assembly Lubricant IncludedYes
Basic Operating Rpm Range3,000-7,000
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.525 in (13.335 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)305
Lobe Separation (Deg)110
Rpm Range3000-7000
Lifter StyleHydraulic flat tappet
Advertised Duration305 int./305 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.525
Valve Springs IncludedYes
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.525 int./0.525 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.525 in (13.335 mm)
Advertised Intake Duration305
Outside Diameter Of Outer Spring1.43 in (36.3 mm)
Intake Duration At 050 Inch Lift253
Exhaust Duration At 050 Inch Lift253
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration305
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift253 int./253 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK12-214-4
Package Qty1
Package TypeEA
No Questions
No Reviews

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