+RRVLHU5DFLQJ7LUHRIIHUVDYDULHW\RI803PRGL¿HGDQGODWHPRGHOWLUHVIRUGLUWRYDOWUDFNUDFLQJ UMP/Late Model/E-Mod/Street Stock Dirt Tires Part No. Tire Size Tread Pattern Tread Width Approx. Dia. Approx. Circ. Recom. Rim Measured Rim Section Width Compound
HOO36021 NEW! HOO36022 NEW!
G60-15 G60-15
G60 G60
8.5" 25.5" 81.0" 8" 8.5" 26.0" 82.0" 8"
8" 10.75" D40 (Soft) 8" 10.75" D40 (Soft)
HOO36180M30S 26.5/8.0-15 Super Chain Link 8.0" 26.5" 83.2" 8-9"
8" 11.0"
D40 (Soft)
HOO36180M60
26.5/ 8.0-15 Chain Link 8.0" 26.5" .83.0" 8"-9" 8" 11.2"
(Hard)
HOO36190M30S 27.5/8.0-15 Super Chain Link 8.0" 27.5" 86.3" 8-9"
8" 11.2"
D40 (Soft)
HOO36190M60
26.5/ 8.0-15 Chain Link 8.0" 27.25" 85.5" 8"-9" 8" 11.2"
(Hard)
UMP Dirt Late Model Tires Part No. Tire Size
Tread Pattern
Tread Width
Approx. Dia.
Approx. Circ.
Recom. Rim 12-14" 12-14" 12-14" 12-14" 12-14" 12-14" 12-14" 12-14"
Compound
HOO36617M20 HOO36617M40 HOO36627M20 HOO36627M30S HOO36627M40 HOO36637M20 HOO36637M30S HOO36637M40
88.0/11.0-15 Crossblock 11.0" 28.0" 87.5" 88.0/11.0-15 Crossblock 11.0" 28.0" 87.5" 90.0/11.0-15 Crossblock 11.0" 28.5" 88.0" 90.0/11.0-15 Crossblock 11.0" 28.5" 88.0" 90.0/11.0-15 Crossblock 11.0" 28.5" 88.0" 92.0/11.0-15 Crossblock 11.0" 29.0" 92.0" 92.0/11.0-15 Crossblock 11.0" 29.0" 92.0" 92.0/11.0-15 Crossblock 11.0" 29.0" 92.0"
M20 (Soft)
M40 (Med.-Hard)
M20 (Soft)
M30S (Medium) M40 (Med.-Hard) M30S (Medium) M40 (Med.-Hard) M20 (Soft)
Asphalt Quarter Midget Tires Hoosier’s A35 utilizes a high-traction compound that works well on tracks that lack grip, such as colder, slick, or “green” track surfaces. The A35 will grip quickly with little heat and will be consistent throughout long JUHHQÀDJUXQV
Tire Size
Tread Pattern
Tread Width
Approx. Dia.
Approx. Circ.
Recom. Rim
Measured Rim
Section Width Compound
Part No.
HOO15031A35 HOO15032A35 HOO15325A35 HOO15650A35
31.0/4.5-5 32.0/4.5-5 33.0/5.0-6 34.5/6.5-6
bb 4.5" 10.0" bb 4.5" 10.25" bb 4.75" 10.5"
31" 32"
5-6" 5-6"
5.5" 5.5"
5.5" 5.5"
A35 A35 A35 A35
33.5" 6-6.5"
6"
6.25"
bb 6.25" 11.0" 34.75" 8-8.5" 8.5" 8.25"
Max Oval Racing Camshafts Howards Cams offers a line of camshafts engineered for exceptional power out of the turns and on the straightaways. Standard or lift-rule hydraulic, mechanical, and roller camshafts for small block Chevys are available.
Recommended Components Lifters Valve Springs
RPM Range
Dur. @ .050" Int./Exh.
Valve Lift Int./Exh. with 1.5 Rocker
Sep. Angle
Valve Lash Int./Exh.
Part No.
Application
Hydraulic Camshafts HRC110091-06
Lift Rule
3000-6400
241°/241° 223°/231° 235°/237° 232°/232° 236°/242° 248°/252° 252°/260° 252°/260° 252°/261° 252°/264°
.410"/.410" .450"/.450" .480"/.488" .450"/.450" .390"/.410" .535"/.540" .540"/.560" .540"/.560" .525"/.525" .545"/.555"
106° 112° 106° 106° 106° 106° 106° 106° 106° 106°
.000"/.000" HRC91111 HRC98214 .000"/.000" HRC91111 HRC98214 .000"/.000" HRC91111 HRC98214 .000"/.000" HRC91111 HRC98214 .000"/.000" HRC91111 HRC98214 .016"/.016" HRC91115 HRC98212 .016"/.016" HRC91115 HRC98212 .016"/.016" HRC91115 HRC98212 .022"/.022" HRC91115 HRC98212 .022"/.022" HRC91115 HRC98212
HRC111241-12 HRC112681-12 HRC112691-06 HRC112711-06
Hyd. Cam 2400-6400 Hyd. Cam 2800-6800
Lift Rule Lift Rule
2500-6600 3500-6800
Mechanical Camshafts HRC110812-06
Solid Cam 2500-6500 Solid Cam 3000-7200 Solid Cam 3000-7200 Solid Cam 3000-6800 Solid Cam 3000-7000
HRC110822-06 HRC110922-06S* HRC111752-06 HRC112662-06
Roller Camshafts HRC111163-06
Roller Cam 2800-6800 Roller Cam 3400-7000
255°/262° 258°/268°
.600"/.620" .600"/.600"
106° 106°
.022"/.022" HRC91117 HRC98441 .024"/.024" HRC91117 HRC98441
HRC111133-06
* “S” at the end of the part number signifies a small base circle camshaft.
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CIRCLE TRACK 2021-22
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