dktraw Well-known member Lifetime Membership Premium Member Dec 2, 2019 #1 SLP head for 6-8000ft elevation. Only about 800 miles on it, worked great, pulled much harder all through rpm range. Sold sled and got 850, no need for this to sit in tool box. $250 shipped lower 48
SLP head for 6-8000ft elevation. Only about 800 miles on it, worked great, pulled much harder all through rpm range. Sold sled and got 850, no need for this to sit in tool box. $250 shipped lower 48
