I think there’s finally a drop in valve spring that will fit the Jeep 4.0 head. It will work with the 2.2/2.5 dodge spring retainers. Check them out.
1.650 installed height 95lbs installed, 260@ .550 max lift. 300lb spring rate. $67.65 for a set of 12.
https://www.compcams.com/single-valve-s ... 00lbs.html
Comp cams 26903-1 valve springs
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dwg86
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Comp cams 26903-1 valve springs
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dwg86
- Donator
- Posts: 1255
- Joined: February 13th, 2008, 6:20 pm
- Stroker Displacement: 4.6
- Vehicle Year: 2003
- Vehicle Make: Jeep
- Vehicle Model: Wrangler
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dwg86
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- Joined: February 13th, 2008, 6:20 pm
- Stroker Displacement: 4.6
- Vehicle Year: 2003
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Re: Comp cams 26903-1 valve springs
Sorry you’ll need the 2.2/2.5 Mopar performance spring retainer
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dwg86
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Re: Comp cams 26903-1 valve springs
Sorry I keep posting to my own thread. I can't edit my post.
It seams the mopar performance spring retainers p4452032 are no longer available. Melling VSR-513-S is the part number for the stock replacement retainers.
It seams the mopar performance spring retainers p4452032 are no longer available. Melling VSR-513-S is the part number for the stock replacement retainers.
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Mr_Roboto
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Re: Comp cams 26903-1 valve springs
Gonna necro this a bit, I have Hughes 1278 retainers on the way. Has anyone tried these with those retainers? If they don't do what I want, I'm going to use the 1110P springs instead. I'm going to run the Lunati 10680702LK/V262H12 which has something like .507/.527 lift. I'm thinking these will at least work for break in, and then I'll switch to the 1110Ps if this thing gets floaty on me.