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COMP Cams 20-721-9

COMP Cams Drag Race Mechanical Roller Camshaft Lift .693"/.645" Duration 307/310 RPM Range 5000-8000

249-20-721-9

Free Shipping Ships directly from the manufacturer on 04/23/19
$20 off $200, $50 off $500 and $100 off $1,000 Order. Promotion Code: SPRINGSAVINGS exclusions apply

$355.99
COMP Cams Drag Race Mechanical Roller Camshaft Lift .693"/.645" Duration 307/310 RPM Range 5000-8000 $355.99
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Drag Race Mechanical Roller Camshaft
Lift .693"/.645"
Duration 307/310
RPM Range 5000-8000

COMP Cams 20-721-9 Details

Chrysler 273-360 C.I. 8 CYL. 1964-2000

Mechanical Roller-Fast Bracket High Compression

Specifications:

Exh. Duration @ .050 in. (Deg)
279
Exh. Duration Advertised (Deg)
310
Exhaust Valve Lift (in.)
0.645
Int. Duration @ .050 in. (Deg)
274
Intake Valve Lift (in.)
0.693
Usage
Strip
Quantity
Sold individually
Lobe Separation (Deg)
106
Exhaust Valve Lift with Factory Rocker Arm Ratio (
0.665
Intake Valve Lift with Factory Rocker Arm Ratio (i
0.693
Valve Lift with Factory Rocker Arm Ratio
0.693 int./0.665 exh.
Advertised Duration
307 int./310 exh.
Computer-Controlled Compatible
No
Valve Springs Required
Yes
Cam Style
Mechanical roller tappet
Exhaust Duration at 050 inch Lift
279
Intake Duration at 050 inch Lift
274
Duration at 050 inch Lift
274 int./279 exh.
Advertised Intake Duration
307
Advertised Exhaust Duration
310
Basic Operating RPM Range
5,000-8,000
Grind Number
CRS 307-R6
Exhaust Valve Lash (in.)
0.028
Intake Valve Lash (in.)
0.026
Manufacturer's Part Number:
20-721-9
Shipping Weight:
9.53
Package Height:
2.75
Package Depth:
24.5
Package Width:
3

Roller Cam For On Demand Power

Camshafts specifically designed for use in all ''Super'' catagory cars, especially those equipped with throttle stops. These powerful Comp Cams offer crisp, immediate throttle response and excellent repeatability, plus are relatively easy on valve train parts.

Features:
  • Wide assortment of racing camshafts for all application requirements of drag, oval track and puller & mud competitors
  • Require accurate assessment of rear end gearing and other vehicle-based equipment to deliver top performance
  • Not made for street use or vehicles requiring accessory drive equipment, such as power brakes, air conditioning, etc.

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

  • Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

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