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x275 Rules

Updated: 5.17.16

2016 X275 Rules


ANY CHASSIS PERMITTED
WHEELIE BARS PERMITTED
ANY TRANSMISSION PERMITTED
DUAL POWER ADDERS (PROHIBITED)
WEIGHTS LISTED BELOW ARE FOR RADIAL ENTRY (315 DOT) (3062R) (3362R)
+50 LBS (BB TT/SCREW ONLY) for any (PRO MOD CHASSIS) Tech Discretion

** -50# for stock suspension (suspension for year make model car only)


SB N/A NO WEIGHT
BB N/A 2100 LBS
SB NOS 2200 LBS
BB NOS 2300 LBS (4.840 BORE ENGINES)
BB NOS 2350 LBS (5.00 BORE ENGINES)
BB NOS 2400 LBS (OVER 5.00 BORE ENGINES)

SB SINGLE TURBO 2600 LBS
SB TWIN TURBO 2650 LBS (Stock Bore Space)
SB TWIN TURBO 2700 LBS (Non-Stock Bore Space)
SB TWIN TURBO (500 CU IN +) 2900 LBS
-100 lbs. for SB TWIN TURBO (Cast Block / Cast Head) (Stock Bore Space)


SB PROCHARGER 2500 LBS
BB PROCHARGER 2750 LBS

BB TWIN TURBO 3050 LBS
BB TWIN TURBO (Non 481x / Non Hemi) 3000 LBS (BB TT Minimum 3000 LBS with all deductions)
BB TWIN SUPERCHARGER 2950 LBS
BB Single Turbo 2700 LBS
4 cyl. combos 2150 LBS (Production Engines Only)
6 cyl. combos 2500 LBS (Production Engines Only)

BB ROOTS BLOWER 2675 LBS
SB SCREW 2650 LBS
BB SCREW 3000 LBS