Xtreme Turbo Hydraulic Flat Tappet Camshaft Small Block Chevy 262-400 1955-98 Lift: .462"/.455"
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-12-253-4

Xtreme Turbo Hydraulic Flat Tappet Camshaft Small Block Chevy 262-400 1955-98 Lift: .462"/.455"

$30995
ShippingShips on 09/15/2026
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Chevrolet 262-400ci 1955-1998
    Xtreme Turbo Hydraulic Flat Tappet Camshaft
    Small Block Chevy 262-400 1955-98
  • Lift: .462"/.455"
  • Duration: 262/269
  • Lobe Separation Angle: 114°
  • RPM Range: 2200-6400

    Street/Strip applications. Single or Dual turbos.

    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


    Street/strip applications. Single or dual turbos.

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

Comp Cams Extreme Turbo Hydraulic Flat Tappet Camshafts are perfect for use with a turbo system. Each camshaft has a rated boost for that specific design. Hydraulic flat tappet camshafts are recommended for mild street performance to mild race.

Features:

  • Help build pressure between engine and turbo for faster spool up in OEM or aftermarket
  • Deliver wide powerband without compromising peak power
  • Designed to focus on systems with similar boost to back pressure ratios as seen on most modern turbo systems
Part TypeCamshaft
Product LineComp Cams Xtreme Turbo Hydraulic Flat Camshafts
BrandCOMP CAMS
Package Height2.8
Package Width3.0
Package Length24.3
Weight8.78 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberXT262H
Exh. Duration Advertised (Deg)269
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.462
Int. Duration @ .050 In. (Deg)218
Basic Operating Rpm Range2,200-6,400
Intake Valve Lift0.462 in (11.735 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)262
Lobe Separation (Deg)114
Rpm Range2200-6400
Advertised Duration262 int./269 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.455
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.462 int./0.455 exh.
QuantitySold individually
Exhaust Valve Lift0.455 in (11.557 mm)
Advertised Intake Duration262
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift218
Advertised Exhaust Duration269
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift218 int./218 exh.
Valve Springs RequiredYes
Vendor Part Number12-253-4
Package Qty1
Package TypeEA
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