Page 504 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

Oval Track Camshafts
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RPM Adv. Duration Dur. @ .050" Valve Lift Lobe
Part No. Application Range Int./Exh. Int./Exh. Int./Exh. Separation
Small Block Chevy 265-400
Hydraulic Camshafts
LNT10120935 Factory Stock, .450" Lift Rule 2600-6000 310°/310° 236°/236° .450"/.450" 106°
LNT10120930 Lim. Late Model/2bbl., .425” Lift Rule 2500-6200 288°/292° 232°/236° .425”/.425” 106°
LNT10120921 Hobby Stock 2bbl. 3000-6500 290°/290° 240°/240° .520"/.520" 106°
Solid Camshafts
LNT30120953 Late Model Stock, 2bbl. 3000-6400 288°/290° 249°/249° .543"/.507" 108°
LNT30120950 Low/Mild Compression 3800-6500 283°/288° 244°/249° .530"/.543" 106°
LNT30120925 Lift Rule, 1/4-1/2 Mile 2800-6800 285°/295° 252°/261° .525"/.525" 106°
LNT30120917 1/4-3/8 Mile 2bbl. 2800-7000 278°/282° 248°/252° .530"/.541" 106°
LNT30120946 Hobby Dirt Classes 3400-7000 288°/293° 249°/254° .543”/.552” 106°
LNT30120936 Dirt Modified Classes 3500-7000 288°/298° 249°/259° .543”/.561” 106°
LNT30120948 Restricted Engine Cam 3500-7200 293°/298° 254°/259° .552"/.561" 106°
LNT30120945 Limited Dirt 2bbl. 3800-7000 294°/306° 256°/259° .552"/.519" 106°
Roller Camshafts
LNT40120954 L.L. Model/350-370 Cu. In. 3800-7600 289°/297° 256°/264° .648"/.627" 106°
LNT40120951 L.L. Model/350-370 Cu. In. 3800-7600 289°/301° 256°/268° .648"/.627" 106°
LNT40120924 Late Model, 377-406 Cu. In. 3800-7600 301°/309° 262°/271° .626"/.626" 106°
LNT40120921 Med. Wt. Asphalt/Dirt Car 3800-7800 308°/318° 258°/268° .600"/.618" 106°
LNT40120945 Heavy Asphalt/Dirt Car 4000-7000 286°/297° 254°/259° .622”/.618” 106°
Ford 4 Cyl. 2300
Hydraulic Camshaft
LNT10700901 Mid-Range Torque/HP 2500-6500 296°/306° 244°/250° .454"/.454" 111°
Note: SB Chevy valve lift figures are based on a 1.5:1 rocker arm ratio.

Lifters Pro Series Small Block Chevy Crankshaft
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SB Chevy, Horizontal Bar,
LNT72400-16 Roller
Centered
LNT72403-16 Roller SB Chevy, Vertical Bar,
Centered

Rod Pin
Part No. Stroke Main Length Size
LNT60240001 4.000" 400 6.000" 2.100"

Stainless Steel 5" x 8" Oval
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500 2019-20 CIRCLE TRACK PARTS AND ACCESSORIES