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430HP Street / Strip Series STAINLESS EXHAUST VALVES
These drop in valves are a great upgrade over factory style valves. They will hold up to more heat and will flow more cfm due to the superior design and shape. These valves are the same dimensions as OEM DOHC valves so they will work with no machining required. Sold in sets of 8 ONLY - enough for 1 cylinder head. Fits the following engines:
91-98 Lincoln DOHC 4.6 Engines
96-98 Mustang Cobra 4.6 DOHC Engines
99-01 Mustang Cobra 4.6 DOHC Engines
03-04 Mustang Cobra 4.6 DOHC Engines
03-05 Lincoln Aviator 4.6 DOHC Engines
ALL 5.4 Lincoln Navigator 5.4 DOHC Engines
WILL NOT FIT 5.4 OR 5.8 SHELBY OR GT DOHC ENGINES
These valves have the following features:
- High Strength 21-4N Stainless Steel Alloy
- Swirl Polished for increased air flow
- Undercut stems for increased air flow and reduced weight
- Hardened tips
- One piece forged construction
- Hard chrome plated stems
- OEM Sized head diameter and length for a "drop in" installation
NOTE: THESE VALVES ARE SOLD IN SETS OF 8 WHICH IS ENOUGH TO DO ONE CYLINDER HEAD. FOR A COMPLETE ENGINE SET YOU MUST ORDER 2 OF THESE.
Intake valves are sold separately.
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Part Number |
Head Size |
Stem Dia. |
Length |
Tip Length |
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430HP25430-8 |
30mm (OEM) |
7mm |
117.1mm | 10.65mm |
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