| |
| |
|
Part No |
Description |
Trans |
Duration |
Valve Lift |
LSA |
Valve
Setting |
Valve
Spring |
|
Advertised |
@.050" |
|
IN |
EX |
IN |
EX |
IN |
EX |
IN |
EX |
|
CTRB20
440A
Drop in
(a) |
Drop in cams.
Good bottom end and strong mid range power.
RPM RANGE 2500-7000+ |
ANY |
256˚ |
256˚ |
215˚ |
215˚ |
.335"
8.5mm |
.335"
8.5mm |
112.5˚ |
.000" |
.000" |
VSR
RB20-25
(b) |
|
|
|
| |
|
Part No |
Description |
Trans |
Duration |
Valve Lift |
LSA |
Valve
Setting |
Valve
Spring |
|
Advertised |
@.050" |
|
IN |
EX |
IN |
EX |
IN |
EX |
IN |
EX |
|
CTRB20
423A
(a) |
Strong mid range and top end
power, suitable for engines with limited modifications.
RPM RANGE 2700-7500+ |
MAN
OR
HI-STALL |
264˚ |
264˚ |
221˚ |
221˚ |
.354"
9mm |
.354"
9mm |
112.5˚ |
.000" |
.000" |
VSR
RB20-25
(b) |
|
|
|
| |
|
Part No |
Description |
Trans |
Duration |
Valve Lift |
LSA |
Valve
Setting |
Valve
Spring |
|
Advertised |
@.050" |
|
IN |
EX |
IN |
EX |
IN |
EX |
IN |
EX |
|
CTRB20
426B
(a) |
Strong mid range and top end
power, suitable for engines with limited modifications.
RPM RANGE 2800-7800+ |
MAN
OR
HI-STALL |
268˚ |
268˚ |
226˚ |
226˚ |
.354"
9mm |
.354"
9mm |
112.5˚ |
.000" |
.000" |
VSR
RB20-25
(b) |
|
|
|
| |
|
Part No |
Description |
Trans |
Duration |
Valve Lift |
LSA |
Valve
Setting |
Valve
Spring |
|
Advertised |
@.050" |
|
IN |
EX |
IN |
EX |
IN |
EX |
IN |
EX |
|
CTRB20
426A
(a) |
Rough idle
strong top end.
Suitable for modified engines.
RPM RANGE 3000-8000+ |
MAN
OR
HI-STALL |
272˚ |
272˚ |
236˚ |
236˚ |
.354"
9mm |
.354"
9mm |
112.5˚ |
.000" |
.000" |
VSR
RB20-25
(b) |
|
|
|
| |
 |
|
Part No |
Description |
Trans |
Duration |
Valve Lift |
LSA |
Valve
Setting |
Valve
Spring |
|
Advertised |
@.050" |
|
IN |
EX |
IN |
EX |
IN |
EX |
IN |
EX |
|
CTRB20
436B
(a) |
Suitable for modified engines only.
RPM RANGE 3500-8000+ |
MAN
OR
HI-STALL |
272˚ |
272˚ |
230˚ |
230˚ |
.410"
10.4mm |
.410"
10.4mm |
112.5˚ |
.000" |
.000" |
VSR
RB20-25
(b) |
|
|
| |
| |
