302/351W "Z-HEAD" ALUMINUM - ASSEMBLED 63CC
M-6049-Z304DA
Retail
$1,825.00
Sold in Units of
Each (1)
Instruction Sheet
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WARNING:
This part is designed and intended for competition use only or off-highway use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this part on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions.
- Fits 302/351 Windsor engines
- Cast from prime A356 T6 aluminum
- Heads are cast with high-flow ports
- 20 degree inline valves
- Premium stainless steel 2.02" intake M-6507-A304 and 1.60" M-6505-B304 exhaust valves
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Uses PAC 1219X conical style valve springs with machined retainers and machined valve locks. Most hydraulic cams can be used with these springs.
- Valve spring closed pressure - 145 lbs. @1.800"
- Valve spring open pressure - 358 lbs. @ 1.175"
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Includes laser cut guide plates M-6566-Z304D for use with 5/16" pushrods and 7/16" rocker studs (Rocker Stud PN is ARP DRP154)
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Steel alloy intake and exhaust valve seats
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Manganese-bronze valve guides
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63cc CNC'd combustion chamber
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Intake port volume as cast: 204cc
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Exhaust port volume as cast: 85cc
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Accepts both tapered seat and gasket style 14mm spark plugs (Motorcraft AGSP-32-PP, Autolite 3924, 3925)
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Requires 1.65:1 or 1.5:1 ratio roller rocker arms with .150" offset intake pushrod cup (not included)
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Raised exhaust port exit, custom headers may be required
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Ford Performance M-9439-A50 intake manifold gasket recommended
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Uses Felpro® exhaust gasket part number 1487
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Felpro® VS13264T valve cover gasket recommended
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Check piston to valve clearance including radial valve clearance before installing these cylinder heads on your engine
Part Type
Engine: Cylinder Heads
Instruction Sheet
Warranty Availability
Package Dimensions
8" x 24" x 8"
Package Weight
27.2 lb(s)
UPC Code
756122092033
Country of Origin
United States
