Stage No

Grind No

Description

Trans-mission

Cam Timing

IN         EX

Advertised Duration

IN       EX

Duration

@ ×050²

IN         EX

Cam Lift

IN         EX

Lobe Sep

Running Clearance

IN         EX

Valve

spring

1

CT26 750

Smooth idle, good bottom end and mid range power. Suitable for std of slightly modified engines.

RPM RANGE 2000-6000

ANY

29-65     76-30

274°     286°

213°    224°

×257²  ×271²

110°

×008²  ×010²

VS1004

2

CT26 725

Slight lope at idle, good broad power band with strong mid range power, suitable for slightly modified engines. Min comp ratio 9:1.

RPM RANGE 2400-6500

MAN

OR MAY

REQUIRE

HI-STALL

32-73     73-32

285°     285°

223°    223°

×271²  ×269²

110°

×010²  ×012²

VS1004

3

CT26 747

Fair idle, good mid range and top end power.  Designed for engines with limited modifications. Min comp ratio 10:1.

RPM RANGE 3000-7000

MAN

OR

HI-STALL

41-76     76-41

297°     297°

240°    242°

×301²  ×303²

108°

×010²  ×012²

VS1004

4

CT26 723

Rough idle, strong mid range and top end. Recommended for modified engines, Min 10.5:1 comp ratio.

RPM RANGE 3500-7500

MAN

OR

HI-STALL

45-72     78-42

297°     300°

250°    253°

×290²  ×290²

108°

×010²  ×012²

VS1004

5

CT26 737

Rough idle, strong upper mid range and top end. Modified engines only. Min 11.5:1 comp ratio.

RPM RANGE 4000-8500

MAN

OR

HI-STALL

55-85     85-55

320°     320°

266°    265°

×329²  ×327²

106°

×012²  ×014²

VS1004

Stage No

Grind No

Description

Trans-mission

Cam Timing

IN         EX

Advertised Duration

IN       EX

Duration

@ ×050²

IN         EX

Valve Lift

RR 1.5

IN         EX

Lobe Sep

Running Clearance

IN         EX

Valve

spring

1

618

Smooth idle, enhances throttle response and low end torque, while delivering fuel efficient motoring.

RPM RANGE 1500-5500

ANY

12-47     45-6

239°     231°

199°    196°

×391²  ×385²

108°

×015²  ×015²

HOT

2

639

Slight lope at idle, excellent low end and mid range power, suitable for standard or slightly modified engines.

RPM RANGE 2000-6000

MAN

OR MAY

REQUIRE

HI-STALL

19-55     59-15

254°     254°

210°    210°

×378²  ×378²

110°

×015²  ×015²

HOT

3

621

Fair idle, good bottom end and mid range power designed for engines with limited modifications.

RPM RANGE 2500-6500

MAN

OR

HI-STALL

24-56     63-21

260°     264°

220°    223°

×396²  ×399²

108°

×015²  ×015²

HOT

4

609

Rough idle, strong mid range and top end. Recommended for modified engines, Min 9.5:1 comp ratio.

RPM RANGE 3000-7000

MAN

OR

HI-STALL

33-64     72-32

277°     284°

231°    235°

×430²  ×433²

108°

×015²  ×015²

HOT

5

608

Rough idle, strong upper mid range and top end. Modified engines only. Min 10.5:1 comp ratio.

RPM RANGE 3500-7500

MAN

OR

HI-STALL

38-72     75-40

290°     295°

241°    243°

×453²  ×453²

108°

×015²  ×015²

HOT

6

604

Rough idle, strong top end, modified engines only. Min 11.5:1 comp ratio.

RPM RANGE 4000-8000

MAN

OR

HI-STALL

41-80      8149

301°     310°

250°    253°

×477²  ×481²

107°

×015²  ×015²

HOT

Stage No

Grind No

Description

Trans-mission

Cam Timing

IN         EX

Advertised Duration

IN       EX

Duration

@ ×050²

IN         EX

Cam Lift

IN         EX

Lobe Sep

Running Clearance

IN         EX

Valve

spring

1

729

Smooth idle, good bottom end and mid range power. Suitable for std of slightly modified engines.

RPM RANGE 2000-6000

ANY

23-62     62-23

262°    262°

213°    213°

×257²  ×257²

110°

×010²  ×010²

2

724B

Fair idle, good mid range and top end power. Designed for engines with limited modifications. Min comp ratio 9.5:1.

RPM RANGE 2500-6500

MAN

OR

HI-STALL

27-64     64-27

271°     271°

222°    222°

×263²  ×263²

108°

×010²  ×010²

3

722

Rough idle, strong mid range and top end.  Recommended for modified engines, Min 10.5:1 com ratio.

RPM RANGE 3200-7200

MAN

OR

HI-STALL

35-70     72-36

285°     288°

240°    240°

×286²  ×288²

108°

×010²  ×010²

4

723

Rough idle, strong upper mid range and top end.  Modified engines only. Min 11.5:1 comp ratio.

RPM RANGE 3800-7800

MAN

OR

HI-STALL

41-76     77-43

297°     300°

250°    253°

×290²  ×290²

107°

×010²  ×010²

Stage No

Grind No

Description

Trans-mission

Cam Timing

IN         EX

Advertised Duration

IN       EX

Duration

@ ×050²

IN         EX

Cam Lift

IN         EX

Lobe Sep

Running Clearance

IN         EX

Valve

spring

1

759

Smooth idle, enhances throttle response and low end torque.

RPM RANGE 2000-6000

ANY

21-61     62-21

262°     263°

202°    208°

×241²  ×241²

110°

×010²  ×010²

2

724A

Slight lope at idle, excellent low end and mid range power. Suitable for standard or slightly modified engines.

RPM RANGE 2400-6500

MAN

OR MAY REQUIRE HI-STALL

23-63    63-23

266°     266°

210°    210°

×247²  ×247²

110°

×010²  ×010²

3

724B

Fair idle, good bottom end and mid range power designed for engines with limited modifications. Min 9.5 comp ratio.

RPM RANGE 2800-6800

MAN

OR

HI-STALL

26-65     65-26

271°     271°

222°    222°

×263²  ×263²

110°

×010²  ×010²

4

722

Rough idle, strong mid range and top end. Recommended for modified engines. Min 10.5:1 comp ratio.

RPM RANGE 3500-7500

MAN

OR

HI-STALL

33-72     75-33

285°     288°

240°    240°

×286²  ×288²

108°

×010²  ×010²

5

723

Rough idle, strong upper mid range and top end.  Modified engines only. Min 11.5:1 comp ratio.

RPM RANGE 4000-8200

MAN

OR

HI-STALL

48-82     82-48

310°     310°

250°    253°

×290²  ×290²

108°

×010²  ×010²

6

765A

Rough idle, strong top end, modified engines only.  Min 12:1 comp ratio.

RPM RANGE 5000-8600

MAN

OR

HI-STALL

52-86    86-52

318°     318°

258°    258°

×271²  ×271²

107°

×010²  ×010²