Summit SFI Pro/Race Not to be Confused with PP POS, 230$ Very nice piece 4-bolt Bolt On No Mods, Splined hub and Ring, Very Nice Piece, Butler used one on their 467 EMC engine as well, FWIW
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D.S.R.E. Your NW Pontiac Street/Strip Engine Builder, Specializing in Cylinder Head,Intake Manifold,and Exhaust Manifold Porting services and Building the Most Efficient stock rebuilds to Hi HP Pump Gas and Race Combinations for Pontiac,Buicks,Olds,FE Fords,385 Series and HP Gen 3 and 4 LS engines!
2006 silvy Z71 4X4,383 LS 600+hp NA
Shared Toy-66 Lemans 470cid by me 537hp 580tq-manifolds, 570hp 590tq-2"headers,custom cam,rpm intake, mild e-heads, Looks stock ;-}
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