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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
l - BR 81040 2
580 Flat Top with
70/125 • Stud Girdle: NOT AVAILABLE • Rocker Arms: SHAFT SYSTEM WITH 40/60
AR RRS-4I• Guide Plates: 3/8 - CC 4806• Valve Seals: 11/32 - US VS529V
000-Mile Powertrain Limited Warranty
LS1 CNC DART 250/68 2.08 1.6 .625 SBC CYLINDER HEADS #11071142 & FORGED PISTONS l - BR 81040 2CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. FREE AUTOTEC SHELF PART FORGED PISTONS OF YOUR CHOICE! LS1 SB Chevy Aluminum COMPLETE CNC Ported Pro 1 Cylinder Heads #11071142 Port Volume: 250cc Chamber Volume: 68cc Spark Plug: Angle Standard Intake Valve: 2. 08 Exhaust Valve: 1. 60 Springs: 1. 290 Beehive (1. 295 double spring upgrade available for 58. 00) Dart CNC ported aluminum cylinder heads for GM LS series small block V8 engines take