SAR DESIGN 2005/815 CU. IN. (13.4 LITRE) Semi-Hemispherical Headed Engine 
Good for a mere 1500-1600hp,thats with no blower or NOS!      

OR
SAR 706 CU. IN. PRO MOD ENGINE 1325 HP + 600 HP 2 STAGE NOS = 1925 HP 
  YEEEEEEEEEEEEEEHAAAAAAAAAAAAAAAAAAAAAAAAAA
BIG BLOCKS RULE!!!!