305 Sprint Car Rules

1) Must be a 305 block with a .060 overbore allowed, 316c.i. Maximum!
All cars subject to pumping!  
2) 2 3/16” Maximum Injector Size, No Down Nozzles
3) NO Roller Cams, Flat Tappet Only
4) NO Aluminum Blocks or Heads, Aftermarket Cast Iron Heads OK
5) Must weigh 1550lbs w/driver after race
6) Dry Sumps will be allowed but must add 25lbs – 1575 w/driver after race!
7) Rock Screens ARE MANDATORY on all sprint cars!!!
8) NO Cockpit Adjustable Wing Sliders!  Manually Adjustable Only
9) Mufflers are optional/Not Mandatory!
10) Right Rear Tire: Hoosier 105X18X15 SC-25 or ASCS Medium ONLY!
11) LOS Weekly General Track Rules will apply for all classes @ 360 Nationals!
Please be familiar with these rules!