4V DOHC 4.6 / 5.4 MMR Professional Head Cooling Mod kit HCM

4.6/5.4 DOHC MMR Professional Head Cooling kit (top of heads) This kit balances the coolant flow at the rear of the heads to eliminate Hot spots, help prevent against rear cylinder detonation and increase coolant flow to rear cylinders. Includes all parts shown, hardware included (not shown). Available in -8 , -10 or -12 fitting sizes (select size in @ checkout), -8 size suggested for tight spaces

ALL 96-98 with IMRC deletes
ALL 99-04 Cobra/Mach one with Minor intake manifold clearancing

(does not fit 03/04 S/C Cobra due to lack of clearance with lower intake manifold use item PN#437192)
  • Model: 444992
  • Manufactured by: MMR


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