IHRA NEW 2022        
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FWD Conversion CM Stockers

IHRA FWD Conversion CM Stockers
(Cubic inch / factory rating / @ adjusted HP)

Classes:   Index:  1/4 (1/8)
A/FCM  9.00 to 9.99 11.70 (7.60)
B/FCM 10.00 to 10.99 12.00 (7.80)
C/FCM 11.00 to 11.99 12.30  (8.00)
  • Only IHRA approved bodies and components may be used.
  • Any alterations to firewall, inner fenders, or front suspension components must be submitted in writing to the IHRA Technical Department prior to construction and be approved prior to competition.
  • OEM type front spring/strut assemblies mandatory.
  • Minimum shipping weight 2,400 lbs.
  • Restricted to cast iron cylinder head combinations.
  • OEM fuel tank may be removed for driveshaft and rear suspension clearance.
Accepted Engine Combinations
(cubic inch / advertised horsepower / factored horsepower)
Chevrolet
  • 350 / 300 @ 310 hp
  • 350 / 330 @ 340 hp
Ford
  • 302 / 215 @ 240 hp
  • 302 / 270 @ 250 hp 302 / 285 @ 265 hp
  • 351 / 346 @ 336 hp
Mopar
  • 360 / 300 @ 305  hp Commando
  • 360 / 300 @ 315  hp Magnum

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