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CYLINDER HEAD ASSEMBLY (M-6049-Z304DA)

302/351W "Z-HEAD" ALUMINUM - ASSEMBLED 63CC
 
Our Price: $1,732.50


Availability: Usually Ships 24 to 48 Business Hours
Product Code: WR-6049-Z304DA
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Description Technical Specs
 
Fits 302/351 Windsor engines
Cast from prime A356 T6 aluminum
Heads are cast with high-flow ports
20 degree inline valves
Suggested valve sizes: 2.02" intake and 1.60" exhaust
Steel alloy intake and exhaust valve seats
Manganese-bronze valve guides
63cc CNC'd combustion chamber
Intake port volume as cast: 204cc
Exhaust port volume as cast: 85cc
Bare head weighs 27 lbs.
Accepts both tapered seat and gasket style 14mm spark plugs (Motorcraft AGSP-32-PP, Autolite 3924, 3925)
Requires M-6564-F351 1.65:1 or M-6564-G351C 1.5:1 ratio roller rocker arms with .150" offset intake pushrod cup (not included)
Raised exhaust port exit, custom headers may be required

Assembled Head Features
Premium stainless steel 2.02" intake M-6507-A304 and 1.60" M-6505-B304 exhaust valves
Uses M-6513-BH conical style valve springs with machined retainers and machined valve locks. Most hydraulic cams can be used with these springs. 142# @ 1.750", 318lbs. @ 1.200" and CB @ 1.150"
Includes laser cut guide plates M-6566-Z304D for use with 5/16" pushrods and 7/16" rocker studs
Check piston to valve clearance including radial valve clearance before installing these cylinder heads on your engine

Ported Head Features
CNC ported version of M-6049-Z304D cylinder head to increase flow on intake and exhaust
Intake and Exhaust airflow increased approximately 10%
Bare casting
Uses Felpro® exhaust gasket part number 1487

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