XFI AFM Hydraulic Roller Camshaft GM LS, GEN IV 2008-Present (Single-Bolt) Lift: .500"/.500"

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COMP CAMSPART NUMBER: 249-689-423-13

XFI AFM Hydraulic Roller Camshaft GM LS, GEN IV 2008-Present (Single-Bolt) Lift: .500"/.500"

Name: XFI AFM Hydraulic Roller Camshaft GM LS, GEN IV 2008-Present (Single-Bolt) Lift: .500"/.500"
Brand: COMP CAMS
SKU: 249-689-423-13
Price: 499.95 USD
Availability: InStock

^$499⁹⁵

Ships on 09/15/2026

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XFI AFM Hydraulic Roller Camshafts
W/ VVT (12606358) & AFM

2008-Present

Lift: .500"/.500"
Duration: 274°/286°
Lobe Separation Angle: 116°
RPM Range: 2000-6900
Strong Power Gains
Smooth Idle
GM, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS4, LS6, LS7, LSA, LS9, Camaro, Silverado, LS Swap, 383, 350, SBC, Chevelle, Yukon, L92, LM7, 325, GMC, Trailblazer, Corvette, GM LS, GEN III, GEN 3, GEN IV, GEN 4, DOD, AFM, VVT, BTR, Texas Speed

Outstanding top end power in modified L99 style applications, w/o sacrificing low end if properly programmed.

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

Since the introduction of, GM's LS/Gen IV engine has quickly become the ''preferred choice'' among many engine builders and performance enthusiasts. Right from the factory, the GM LS/Gen IV engine boasts a surprisingly efficient induction design, reduced weight and impressive power output. As the leading developer of high performance LS/Gen IV valve train technology, Comp Cams has engineered a full line of products proven to release the incredible horsepower and torque hidden inside while never sacrificing ever-critical reliability.

Features:

Take advantage of today's newer and better flowing aftermarket cylinder heads
Feature higher exhaust duration and overall lift to provide broadest powerband and most top end power of any COMP Cams LS camshaft
Unique grinds for both cathedral & rectangle port heads
Require 26926-16 high pressure valve springs

Part TypeCamshaft

Product LineComp Cams Hydraulic Roller Camshafts For GM LS-Series/Gen IV Engines

BrandCOMP CAMS

Package Height2.75

Package Width3.0

Package Length24.5

Weight10.0 PG

Part CategoryPerformance Parts

Exh. Duration @ .050 In. (Deg)234

Cam StyleHydraulic roller tappet

Grind Number274PIIHR16

Exh. Duration Advertised (Deg)286

Engine Make/SizeChevy LS Series

Intake Valve Lift With Factory Rocker Arm Ratio (I0.5

Int. Duration @ .050 In. (Deg)222

Basic Operating Rpm Range2,000-6,900

Intake Valve Lift0.5 in (12.7 mm)

Computer-Controlled CompatibleYes

Int. Duration Advertised (Deg)274

Lobe Separation (Deg)116

Rpm Range2000-6900

Advertised Duration286 int./298 exh.

Exhaust Valve Lift With Factory Rocker Arm Ratio (0.5

UsageStreet/Performance

Valve Lift With Factory Rocker Arm Ratio0.500 int./0.500 exh.

Camshaft Gear Attachment1-bolt

QuantitySold individually

Exhaust Valve Lift0.5 in (12.7 mm)

Advertised Intake Duration286

Intake Duration At 050 Inch Lift224

Exhaust Duration At 050 Inch Lift236

Advertised Exhaust Duration298

Lifter TypeHydraulic Roller

Part FitmentSemi Universal

Duration At 050 Inch Lift224 int./236 exh.

Valve Springs RequiredYes

Vendor Part Number689-423-13

Package Qty1

Package TypeEA

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