Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-08-303-8
Nitrous HP Hydraulic Roller Camshaft Chevy Small Block 305-350ci 1987-98 O.E. Hyd. Roller Cam Lift: .520"/.540"
$57795
Ships on 09/14/2026
Lowest Price GuaranteeChevy Small Block 305-350 1987-98Originally Equipped With Hydraulic Roller Camshaft, Except LT1 and LT4.
- Nitrous HP Hydraulic Roller Camshaft
- Lift: .520"/.540"
- Duration: 288°/315°
- Lobe Separation Angle: 113°
- RPM Range: 2400-6500
175+ Nitrous system. 2500+ stall with lower gears and headers.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
175+ hp nitrous system. 2500+ stall with lower gears and headers.
Chevy Small Block 305-350ci 1987-98
O.E. Hyd. Roller Cam
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
BrandCOMP CAMS
Package Height2.7
Package Width2.9
Package Length24.3
Weight8.55 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)248
Cam StyleHydraulic roller tappet
Grind NumberNX288HR
Exh. Duration Advertised (Deg)248
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.52
Int. Duration @ .050 In. (Deg)236
Basic Operating Rpm Range2,400-6,500
Intake Valve Lift0.52 in (13.208 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)288
Lobe Separation (Deg)113
Rpm Range2400-6500
Advertised Duration288 int./315 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.54
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.520 int./0.540 exh.
QuantitySold individually
Exhaust Valve Lift0.54 in (13.716 mm)
Advertised Intake Duration288
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift248
Advertised Exhaust Duration315
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift236 int./248 exh.
Valve Springs RequiredYes
Vendor Part Number08-303-8
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
COMP CAMS
Magnum Roller Rocker Arms Chevy Small Block 265-400 V8, 200-262 V6
Part Number : 249-1417-16
$23195
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
COMP CAMS
Hi-Tech Roller Race Timing Set 1987-92 Chevy 4.3L V6 262 (w/Factory Roller)
Part Number : 249-3136
$11695
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
COMP CAMS
Magnum Double Roller Timing Set 1987-86 Chevy V6, 4.3L 262 (w/ Factory Roller)
Part Number : 249-2136
$13295
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
COMP CAMS
Part Number : 249-1417-16
$23195
COMP CAMS
Part Number : 249-3136
$11695
Some parts are not legal for use in California or other states with similar laws / regulations
