| Part # |
Lift |
Duration at .040" |
Lobe Centers |
Description & Application |
In. Open/Close Ex. Open/Close |
Running Clearance |
Price |
|
| New hardfaced billet Megacycle cams, no core needed. |
| 620-x3 |
.325" .325" |
352° 352° |
108° 108° |
Designed for stock pistons & springs. Check all clearances. Improved road performance, mid-range. |
18 btc/54 abc 54 bbc/18 atc |
.005" .007" |
399.00 |
call |
| 620-x10 |
.355" .355" |
264° 264° |
105° 105° |
Road performance. Use racing piston & springs. Improved throttle control. |
27 btc/57 abc 57 bbc/27 atc |
.005" .007" |
399.00 |
call |
| 620-x7 |
.382" .382" |
296° 296° |
108° 108° |
Norris 382 profile. Use modified springs & pistons. Mid-range & top-end, road race profile. |
40 btc/76 abc 76 bbc/40 atc |
|
399.00 |
call |
| 620-x8 |
.372" .360" |
294° 285° |
104° 108.5° |
Norris RR3 profile. Road race profile mid-range, good throttle response. Use modifies springs & pistons. |
43 btc/71 abc 71 bbc/34 atc |
|
399.00 |
call |
| 620-x9 |
.338" .338" |
|
|
Norris S. Stock pistons & springs OK. |
|
|
399.00 |
call |
| 620-x11 |
.360" .360" |
282° 282° |
|
Norris SS. Drag race/high performance. |
36 btc/66 abc 68 bbc/34 atc |
.008" .010" |
399.00 |
call |
| Stock |
.316" .289" |
268° 253° |
|
Tappet diameter = .864". For reference only. |
|