Re: AFR 165cc heads
I'd suggest getting them from Ed Curtis and have him put in the upgraded springs. The stock AFR ones are marginal at best. He won't be the cheapest price out there but you'll know the set you'll get is in prime condition.
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NMRA O/C 9516
NA pumpgas stickshift 347 10.65@125.6, 6.73@100, 1.41 60ft
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