| 14093643 |
Hyd. Roller |
202/206 |
.403"/.415" |
8.5:1 |
115 |
'87 350 Corvette and IROC Camaro |
| 10134334 |
Hyd. Roller |
235/235 |
.480"/.480" |
9.0:1 |
114 |
350 ZZZ through ZZ2 crate motors |
| 10185071 |
Hyd. Roller |
208/221 |
.474"/.474" |
9.8:1 |
112 |
350/345 ZZ3 & ZZ4 crate motor |
| 10224241 |
Hyd. Roller |
- |
- |
- |
- |
'92 to'94 Gen. 11 LT1 350 |
| 10243779 |
Hyd. Roller |
- |
- |
- |
- |
'94 to '96 Gen. II L99 265 V-8 |
| 12370845 |
Hyd. Roller |
214/224 |
.488"/.509" |
- |
112 |
Off-road use, lobe for mech. fuel pump |
| 12370846 |
Hyd. Roller |
222/230 |
.509"/.528" |
- |
112 |
Off-road use, lobe for mech. fuel pump |
| 12370847 |
Hyd. Roller |
232/242 |
.539"/.558" |
- |
112 |
Off-road use, lobe for mech. fuel pump |
| 125517051 |
Hyd. Roller |
201/208 |
.447"/.459" |
10.4:1 |
112 |
'95 to '96 Gen. 11 LT1 350, w/center dowel pin |
| 12551142 |
Hyd. Roller |
203/210 |
.476"/.480" |
10.8:1 |
115.5 |
'96 350 LT4 w/1.6:1 roller rockers |
| 24502586 |
Hyd. Roller |
218/228 |
.525"/.525" |
10.8:1 |
- |
96 LT4 H.O.T crate motor cam, use w/1.6:1 roller rockers. |
| N/A |
Hyd. Roller |
202/210 |
.472"/.478" |
10.0:1 |
11 |
97 Gen. III LS1 Corvette 350, uses 1.7 roller rockers and Gen. III, tapered valve spring |
| 24502476 |
Hyd. |
212/220 |
.435"/.460" |
9.1:1 |
112.5 |
350/300 CC crate motor |
| 14088843 |
Hyd. |
202/206 |
.403"/.415" |
8.5:1 |
115 |
'83 to'86 305HO |
| 12364050 |
Hyd. |
221/221 |
.447"/.447" |
11.0:1 |
114 |
327/350HP L-79 |
| 3863151 (old Nr) |
Hyd. |
221/221 |
.447"/.447" |
11.0:1 |
114 |
327/350HP L-79 |
| 12364051 |
Hyd. |
195/202 |
.390"/.410" |
8.0:1 |
112 |
327/300HP |
| 3896929 (old Nr) |
Hyd. |
195/202 |
.390"/.410" |
8.0:1 |
112 |
327/300HP |
| 3896962 |
Hyd. |
222/222 |
.450"/.460" |
8.5:1 |
114 |
350 L-46, L-82 |
| 12353915 |
Hyd. |
194/204 |
.401"/.423" |
8.0:1 |
104 |
GM/Crane street |
| 12353914 |
Hyd. |
180/194 |
.378"/.401" |
8.0:1 |
- |
GM/Crane very high, low-speed torque |
| 12353923 |
Hyd. |
224/234 |
.465"/.448" |
9.5:1 |
114 |
GM/Crane off-road |
| 12353918 |
Hyd. |
214/224 |
.442"/.465" |
8.75:1 |
112 |
GM/Crane marine & off-road |
| 12353917 |
Hyd. |
204/214 |
.420"/.442" |
9.0:1 |
112 |
GM/Crane non-emissions vehicles & off-road |
| 12353916 |
Hyd. |
204/214 |
.423"/.446" |
8.5:1 |
110 |
GM/Crane 50 state legal 305-350 |
| 12364052 |
Mech. |
254/254 |
.485"/.485" |
11.0:1 |
114 |
327/365HP & Z-28 302 |
| 3849346 (old Nr) |
Mech. |
254/254 |
.485"/.485" |
11.0:1 |
114 |
327/365HP & Z-28 302 |
| 12364053 |
Mech. |
257/269 |
.493"/.512" |
12.0:1 |
112 |
Off-road |
| 3927140 (old Nr) |
Mech. |
257/269 |
.493"/.512" |
12.0:1 |
112 |
Off-road |
| 12364054 |
Mech. |
242/254 |
.459"/.485" |
11.0:1 |
116 |
'70 LT1 360 to 370HP |
| 3972178 (old Nr) |
Mech. |
242/254 |
.459"/.485" |
9.0:1 |
116 |
71 LT1 330HP |
| 3972182 (old Nr) |
Mech. |
242/254 |
.459"/.485" |
9.0:1 |
116 |
71 LT1 330HP |
| 3965724 |
Mech. |
262/273 |
.488"/.509" |
12.5:1 |
112 |
2nd design, short track, road race |
