Racing Camshafts
Duration @.050"
Advertised Duration
Valve Lash
Valve Lift
Degree Lobe Separation
Cam Part No.
Cam and Kit Part No.
Grind No.
Recommended Basic RPM
Comp. Ratio
Application
Int.
Exh.
Int.
Exh.
Int.
Exh.
Int.
Exh.
SB Chevy Hydraulic Cams Street Stock, Enduro, Hobby, 1/4 to 3/8 Mile Track
CRN100172
— 274 H06
1800-5400 8.75-10:1 218° 218° 106° 274° 274° .000" .000" .450" .450"
Street Stock, Enduro, Hobby, 1/4 to 3/8 Mile Track Street Stock, Enduro, Hobby, 1/4 to 3/8 Mile Track Street Stock, Enduro, Hobby, 3/8 to 1/2 Mile Track Street Stock, Enduro, Hobby, 3/8 to 1/2 Mile Track
CRN110591
— H-228/3200-2S-6 2800-6200 10.0 to 11.5 228° 234° 106° 284° 290° .000" .000" .480" .494"
CRN110691
— H-238/3347-2S-6 3200-6400 10.5 to 12.0 238° 244° 106° 294° 300° .000" .000" .502" .516"
CRN110741
— H-244/3439-2S-6 3400-6800 10.5 to 12.0 244° 252° 106° 300° 308° .000" .000" .516" .525"
302 H06
3400-7000 10.5-12:1 246° 246° 106° 302° 302° .000" .000" .500" .500"
CRN10011 CRN100112 B
SB Chevy Mechanical Cams Late Model, Sportsman, WISSOTA, IMCA, UMP, 1/4 to 3/8 Mi. Late Model, Sportsman, WISSOTA, IMCA, UMP, 3/8 to 1/2 Mi. Late Model, Sportsman, IMCA, 3/8 to 1/2 Mile Track Late Model, Sportsman, IMCA, 3/8 to 1/2 Mile Track Late Model, Sportsman, IMCA, 3/8 to 1/2 Mile Track SB Chevy Roller Cams Good Mid-Range Torque/HP, 1/4 to 3/8 Mile Track
F-244/3454-2S-6 3200-6800 10.5 to 12.0 244° 252° 106° 280° 288° .026" .026" .518" .536"
CRN110921 CRN110922 A
CRN110981
— F-252/3574-2S-6 4000-7000 11.5 to 12.5 252° 260° 106° 288° 296° .026" .026" .536" .554"
CRN111411
— F-256/3634-2S-5 4200-7200 11.5 to 12.5 256° 264° 105° 292° 300° .026" .026" .545" .563"
CRN111431
— F-260/3694-2S-6 4400-7400 11.5 Min.
260° 268° 106° 296° 304° .026" .026" .554" .572"
CRN111451
— F-260/370-2-6 4500-7500 11.5 Min.
260° 270° 106° 295° 305° .026" .028" .555" .578"
CRN118131
— TR-242/3867-2S-6 3600-7200 11-12.5:1 242° 250° 106° 282° 290° .022" .022" .580" .600"
Late Model with Comp Motor, 1/4 to 3/8 Mile Track Late Model with Comp Motor, 1/4 to 3/8 Mile Track
CRN118751
— R-252/420-2S-6 4000-7400 11.0 to 12.5 252° 260° 106° 284° 292° .020" .020" .630" .630"
CRN118831
— R-260/420-2 S2-6 4200-8000 11.5 Min.
260° 264° 106° 292° 296° .020" .020" .630" .630"
Duration @ .050" Degree Lobe Separation Int. Exh.
Adv. Duration
Valve Lash
Valve Lift
Cam Part No.
Followers Part No.
Grind No.
Recommended Basic RPM
Comp. Ratio
Application
Int.
Exh.
Int.
Exh.
Int.
Exh.
Ford 2000/2300cc OHC 4-Cylinder Mechanical Cams, 1974-87 Mini Stock Moderate Comp. Long Oval Track CRN192221 CRN19800-8 FOR-300-8 3400-7200 11-12.5:1 264° 264° 108°
300° 300° .010" .010" .510" .510"
Mini Stock Competition, Long Oval Track
CRN192241 CRN19800-8 FOR-310-8
4000-7600 12.0 Min.
274° 274°
108°
310° 310° .010" .010" .535" .535"
A: Includes cam, lifters, springs, assembly lube, and decals. B: Cam and lifter kit, includes assembly lube, and decals. 7NVTC2TQ5GTKGU#NNQ[ /GEJCPKECN4QNNGT.KHVGTU 8OWUD3UR6HULHVOLIWHUVDUHOLJKW
p#PVK2WOR7Rq*[FTCWNKE.KHVGTU &UDQHFRPELQHVHQJLQHHULQJTXDOLW\DQG FRPSXWHUPDWFKHGFRPSRQHQWVIRUUHOLDEOH DQGDIIRUGDEOHK\GUDXOLFOLIWHUV$QWLSXPSXS OLIWHUVXVHDSDWHQWHGRLOFRQWUROFKHFNYDOYH IRUTXLHWVPRRWKRSHUDWLRQ6ROGLQVHWVRI Part No. Description CRN99277-16 1955-95 Chevrolet V-8 262-400 CRN99280-16 1962-95 Ford-Merc V-8 221-351W /GEJCPKECN.KHVGTU %RGLHVRQ&UDQH0HFKDQLFDO/LIWHUVDUH DFFXUDWHO\PDFKLQHGWRDVVXUHORQJOLIHDQG GXUDE LOLW\3UHFLVHRLOPHWHULQJOXEULFDWHVWKH URFNHUDUPVDQGUHODWHGFRPSRQHQWVDQG HOLPLQDWHVH[F HVVRLOVXSSO\WRWKHUHVWRIWKH YDOYHWUDLQ6ROGLQVHWVRI Part No. Description CRN99250-16 1955-95 Chevrolet V-8 262-400 CRN99257-16 1962-95 Ford V-8 221-302 and 351W
HUVWURQJHUDQGPRUHUHOLDEOHWKDQ FRQYHQWLRQDOPHFKDQLFDOUROOHUOLIWHUV &RQVWUXFWHGIURPSUHPLXPDOOR\ VWHHO&1&PDFKLQHGOLIWHUVXVHD³IRXU FROXPQ´GHVLJQWRPDLQWDLQVWUHQJWKDQG ULJLGLW\DQGPLQLPL]HZHLJKW/LIWHUVKDYH EHHQWKRURXJKO\SURYHQLQH[WHQVLYH 6SLQWURQWHVWLQJ6ROGLQVHWVRI
Lifter Dia.
Pushrod Seat
Part No.
Description
CRN11570-16 CRN11571-16 CRN11573-16
SB Chevy V-8 262-400 SB Chevy V-8 262-400 SB Chevy V-8 262-400
.842"
Standard
.842" .180" Offset Int. .875" .180" Offset Int.
CRN44570-16 Ford 221-302, 302 HO, 351W, 351C, 351M-400
.875"
Standard
299
CIRCLE TRACK 2021-22
Made with FlippingBook flipbook maker