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Your "113" SBC/TPI GM Head Castings are fully CNC ported. We install Manley 2.00" Intake and 1.5" Exhaust valves, .550 valve springs, lightweight retainers, professional valve job, deck resurface, guide plates, and your choice of 3/8" or 7/16" premium rocker studs.

Save on TPIS CNC Ported Cylinder Head Package (GM 113 Castings) SBC/TPI (Pair) OUTRIGHT with a TPiS (TPI Specialties) coupon

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The Checkmate extension automatically applies TPiS (TPI Specialties) discount codes, TPiS (TPI Specialties) coupons and more to give you discounts on products like TPIS CNC Ported Cylinder Head Package (GM 113 Castings) SBC/TPI (Pair) OUTRIGHT.