Specialty Solid Flat Tappet Camshaft Lift .585"/.556" Duration 310/314 Lobe Angle 108°
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-51-661-5

Specialty Solid Flat Tappet Camshaft Lift .585"/.556" Duration 310/314 Lobe Angle 108°

$22399
ShippingShips on 09/11/2026
Lowest PriceLowest Price Guarantee

Pontiac Solid Flat Tappet 265-455 V8 1958-1981 W/ 1.5 Rockers
    Specialty Solid Flat Tappet Camshaft
    Lift .585"/.556"
    Duration 310/314
    Lobe Angle 108°

  • Drag Race Xtreme RX Camshaft
  • 1 Year Limited Warranty

    Pontiac; Super Duty; SD; SD455; HO; 455 HO; Trans-Am; Catalina; Firebird; Formula; 421; 455; 400; 428; 350; 265; 301; 370; 389; 301; 287; 317; 347; Ram Air; Ram Air IV; Ram Air III; Bonneville; Grand Prix; LeMans; Parisienne; Grand Am; Century; Regal;

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

    These specialty cams from COMP Cams are available in many applications and camshaft types. No matter what setup you're running, whether you race, cruise, or pull, COMP Cams has a cam for you.

    Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

    Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

    Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

    Show More

    Enhance your engine's performance with Comp Cams Specialty Camshafts, engineered to provide optimal power and precision for a wide range of high-performance applications. Whether you're upgrading your daily driver or building a high-horsepower machine, these camshafts are designed to deliver the right balance of torque, horsepower, and engine response.

    The 178/208 camshaft specs offer a perfect blend of street-friendly drivability and impressive performance for small-block and big-block applications. With carefully designed profiles, these camshafts allow for better airflow and valve timing, giving your engine the boost it needs to reach its full potential. Ideal for cars with modified engines, these cams ensure smoother operation and reliable performance.

    For LS engine enthusiasts, the 550 lift LS cam is designed to maximize power output without compromising reliability. This camshaft enhances high RPM performance, making it a great option for enthusiasts looking to unlock their engine's true potential. Whether you're tackling the street or the track, this camshaft provides the lift and timing necessary for superior engine response.

    Looking for top-quality JEGS high performance Comp camshafts under $300? Comp Cams delivers exceptional value, offering specialty camshafts that enhance your engine's capabilities without breaking the bank. Whether you're on a budget or aiming for peak performance, JEGS has the right solution to match your needs.

    Upgrade your engine today with Comp Cams Specialty Camshafts for a noticeable improvement in performance and a more exhilarating driving experience.

Part TypeCamshaft
Product LineComp Cams Specialty Camshafts
BrandCOMP CAMS
Package Height2.8
Package Width3.9
Package Length24.2
Weight8.35 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)276
Cam StyleMechanical flat tappet
Grind Number310B-8
Exh. Duration Advertised (Deg)314-1
Engine Make/SizePontiac 265-455
Intake Valve Lift With Factory Rocker Arm Ratio (I0.644
Int. Duration @ .050 In. (Deg)275
Basic Operating Rpm Range4,500-6,500
Intake Valve Lash0.026 in (0.66 mm)
Intake Valve Lift0.644 in (16.358 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)310-1
Lobe Separation (Deg)108
Rpm Range4500-6500
Advertised Duration310 int./314 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.612
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.644 int./0.612 exh.
QuantitySold individually
Exhaust Valve Lash0.028 in (0.711 mm)
Exhaust Valve Lift0.612 in (15.545 mm)
Advertised Intake Duration310
Intake Duration At 050 Inch Lift276
Exhaust Duration At 050 Inch Lift276
Advertised Exhaust Duration314
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift276 int./276 exh.
Valve Springs RequiredYes
Vendor Part Number51-661-5
Package Qty1
Package TypeEA
No Questions
No Reviews

Items You Need

159 Engine Break-In Oil Additive [12-Ounce]

COMP CAMS

159 Engine Break-In Oil Additive [12-Ounce]

Part Number : 249-159
$2395
Dual Valve Springs Outer Spring O.D.: 1.437 in.

COMP CAMS

Dual Valve Springs Outer Spring O.D.: 1.437 in.

Part Number : 249-995-16
$15795
Precision Cam Degree Wheel Kit [11 in.]

JEGS

Precision Cam Degree Wheel Kit [11 in.]

Part Number : 555-81621
$14699$161.99
You Save$15.00
Positive Stop PTFE Seals Guide Size: .530"

COMP CAMS

Positive Stop PTFE Seals Guide Size: .530"

Part Number : 249-503-16
$3595
Super Valve Locks Angle: 10°

COMP CAMS

Super Valve Locks Angle: 10°

Part Number : 249-611-16
$4095
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80521
$5299$57.19
You Save$4.20
Solid/Mechanical Lifters Cadillac 472-500

COMP CAMS

Solid/Mechanical Lifters Cadillac 472-500

Part Number : 249-813-16
$19495
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80518
$919$9.99
You Save$0.80
Valvetrain Checking Springs Light tension springs

JEGS

Valvetrain Checking Springs Light tension springs

Part Number : 555-80523
$839$8.99
You Save$0.60
Break-In/Engine Oil Supplement [12 oz. Bottle]

JEGS

Break-In/Engine Oil Supplement [12 oz. Bottle]

Part Number : 555-28060
$1009$11.99
You Save$1.90
Hi-Tech Roller Race Timing Set 1955-82 Pontiac 326-455

COMP CAMS

Hi-Tech Roller Race Timing Set 1955-82 Pontiac 326-455

Part Number : 249-3112
$12295
Stud Girdle Pontiac 265-455

COMP CAMS

Stud Girdle Pontiac 265-455

Part Number : 249-4051
$31895
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters

JEGS

Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters

Part Number : 555-80599
$4779$51.99
You Save$4.20
Hardened Lash Cap Thickness .080"

COMP CAMS

Hardened Lash Cap Thickness .080"

Part Number : 249-621-16
$5695
Engine Assembly Lube [4 oz. Bottle]

JEGS

Engine Assembly Lube [4 oz. Bottle]

Part Number : 555-28000
$589$6.99
You Save$1.10
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!