Racing Camshafts
Duration @.050" Degree Lobe Separation Int. Exh.
Advertised Duration
Valve Lash
Valve Lift
Cam Part No.
Cam and Kit Part No.
Grind No.
Recommended Basic RPM
Comp. Ratio
Application
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 Late Model With Comp Motor, 1/4 To 3/8 Mile Track Late Model With Comp Motor, 1/4 To 3/8 Mile Track
CRN110921 CRN110922 A F-244/3454-2S-6 3200-6800 10.5 to 12.0 244° 252° 106°
280° 288° .026" .026" .518" .536"
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"
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"
SB Ford 221-302 Mechanical Cam, 1962-87 and 1988-95 trucks (Except 1982-95 5.0L H.O.) Late Model, Sportsman 3/8 To 1/2 Mile Track CRN364681 — F-280-2
3200-7000 11-12.5:1 244° 252° 108°
280° 288° .026" .026" .553" .572"
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° 4000-7600 12.0 Min. 274° 274° 108°
300° 300° .010" .010" .510" .510" 310° 310° .010" .010" .535" .535"
Mini Stock Competition, Long Oval Track
CRN192241 CRN19800-8 FOR-310-8
A: Includes cam, lifters, springs, assembly lube, and decals. B: Cam and lifter kit, includes assembly lube and decals.
“Anti-Pump Up” Hydraulic Lifters Crane combines engineering quality and computer matched components for reliable and affordable hydraulic lifters. Anti-pump-up lifters use a patented oil control check valve for quiet, smooth operation. Sold in sets of 16. Part No. Description CRN99277-16 1955-95 Chevrolet V-8 262-400 CRN99280-16 1962-95 Ford-Merc V-8 221-351W Mechanical Lifters %RGLHVRQ&UDQH0HFKDQLFDO/LIWHUVDUH accurately machined to assure long life and durability. Precise oil metering lubricates the rocker arms and related components and eliminates excess oil supply to the rest of the valve train. Sold in sets of 16. Part No. Description CRN99250-16 1955-95 Chevrolet V-8 262-400 CRN99257-16 1962-95 Ford V-8 221-302 And 351W
Ultra-Pro Series 8620 Alloy Mechanical Roller Lifters Ultra-Pro Series lifters are lighter, stronger, and more reliable than conventional mechan- ical roller lifters. Constructed from premium 8620 alloy steel, CNC-machined lifters use a ³IRXUFROXPQ´PDLQWDLQVWUHQJWKDQGULJLGLW\ DQGPLQLPL]HZHLJKW/LIWHUVKDYHEHHQWKRU - oughly proven in extensive Spintron testing. Sold in sets of 16.
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
280 2019-20 CIRCLE TRACK PARTS AND ACCESSORIES
Made with FlippingBook flipbook maker