Whether you want a better street cam for a stock motor, a big lift cam for a dragster, or something in between, Andrews Products can supply it. All of our cams for these engines are computer designed and precision ground from alloy steel billets. The rocker arm ratios for Shovel heads is 1.42 and for all Pan heads rocker ratio is 1.50.
| Part # | Year | Grind | Timing(*) |
Duration |
Valve Lift |
Lift @ TDC (**) |
Application | ||
| 0.053 | 0.020 | Shovel | Pan | ||||||
| Stock | (Front cyl.) | H | -06/46 44/20 |
220 244 |
256 282 |
0.390 0.390 |
0.412 0.412 |
0.051 0.176 |
Stock H/D front cylinder timing listed for comparison. Later stock "S" grind cams have similar specifications. |
| (Rear cyl.) | 14/38 44/20 |
232 244 |
274 282 |
0.390 0.390 |
0.412 0.412 |
0.129 0.176 |
Stock H/D rear cylinder timing listed for comparison. Later stock "S" grind cams have similar specifications. | ||
| 212011 | (48-69) | J | 21/41 41/21 |
242 242 |
292 292 |
0.405 0.405 |
0.425 0.425 |
0.154 0.154 |
Mild street: Pans and Shovels, smooth idle, more power through RPM range. Bolts in with no head work. |
| 212020 | (70-77) | ||||||||
| 212030 | (78-84) | ||||||||
| 212270 | (48-69) | A | 21/43 43/21 |
244 244 |
296 296 |
0.450 0.450 |
0.470 0.470 |
0.156 0.156 |
Street/drags: Bolts into Shovels (except '80-'81) with no head work. More mid-range and high end power. Idle unaffected. (Head setup required on '80 & '81. See Note 1.) |
| 212280 | (70-77) | ||||||||
| 212290 | (78-84) | ||||||||
| 212310 | (48-69) | AB | 21/43 50/26 |
244 256 |
296 300 |
0.450 0.450 |
0.470 0.470 |
0.156 0.170 |
"A" intake and longer duration exhaust for cooler running and more high end power. Bolt-in street cam (except for '80-'81). OK for hydraulic lifters. |
| 212320 | (70-77) | ||||||||
| 212335 | (78-84) | ||||||||
| 212130 | (48-69) | 1 | 16/36 36/16 |
232 232 |
288 288 |
0.427 0.427 |
0.450 0.450 |
0.098 0.098 |
This is the low compression piston version of an "A" grind cam for 74-80 engines with 7.5 to 1 pistons. |
| 212140 | (70-77) | ||||||||
| 212150 | (78-84) | ||||||||
| 212330 | (48-69) | 2 | 15/35 | 230 | 288 | 0.490 | 0.512 | 0.098 | Back in our catalog by popular demand. Low compression version of a "B" grind cam. More power through RPM range for engines with 7.5 pistons. |
| 212340 | (70-77) | ||||||||
| 212350 | (78-84) | ||||||||
| 212630 | (48-69) | 3 | 23/43 43/23 |
246 246 |
304 304 |
0.514 0.514 |
0.540 0.540 |
0.125 0.125 |
High lift, short duration cam for motors with 84+ inches. More power for strokers with 7.5 compression ratio. |
| 212640 | (70-77) | ||||||||
| 212650 | (78-84) | ||||||||
| 212360 | (48-69) | B | 26/50 50/26 |
256 256 |
298 298 |
0.485 0.485 |
0.507 0.507 |
0.182 0.182 |
Street/drags: Much more mid-range and high end power. Idle smoothness unaffected. THE cam for modified 74/80 inchers and small strokers. Spring spacing required. |
| 212370 | (70-77) | ||||||||
| 212380 | (78-84) | ||||||||
| 212420 | (48-69) | BH | 24/52 52/24 |
256 256 |
302 302 |
0.450 0.450 |
0.470 0.470 |
0.156 0.156 |
Hydraulic version of a "B" cam. Usually a bolt-in but spring spacing required on stock '80-'81 Shovel heads. |
| 212430 | (70-77) | ||||||||
| 212440 | (78-84) | ||||||||
| 212510 | (48-69) | 6 | 32/56 56/32 |
268 268 |
325 325 |
0.510 0.510 |
0.535 0.535 |
0.190 0.190 |
Hotter version of a "B" grind. Great street cam, especially for 84/88 inch strokers. Maximum torque available from 2500 to 6500 RPM. |
| 212520 | (70-77) | ||||||||
| 212530 | (78-84) | ||||||||
| 212600 | (48-69) | C | 37/61 61/37 |
278 278 |
318 318 |
0.525 0.525 |
0.550 0.550 |
0.234 0.234 |
Best production cam made for big street engines. Strokers from 84 to 96 inches will really turn on this cam. Broad torque range pulls from 2000-7000+ RPM. |
| 212610 | (70-77) | ||||||||
| 212620 | (78-84) | ||||||||
| Note (1): 1980 and 1981 engines: The height of original stock H/D valve guides restricts spring travel (and cam lift) to .430 or less! | |||||||||
| (*) Timing listed at .053 cam lift. | |||||||||
| (**) TDC Shovel lift listed: TDC Pan lift will be 5% higher! | |||||||||
ANDREWS PRODUCTS, INC.
431 Kingston Ct., Mt. Prospect, IL 60056
Phone 847-759-0190 Fax 847-759-0848
andrewsproducts.com