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American made chrome silicone triple drag race spring for bracket race applications featuring Nano-Peen technology
• Valve Covers: SHEET METAL
460 TDC 9-3522X9 102
WP GB 2300 380 - 440 13
BBC PRO1 DART CNC 335/121 2.3/1.88 HEADS 19474030 & AUTOTEC FORGED SHELF PISTONS American made chrome silicone tripleCALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. FREE AUTOTEC SHELF PART PISTONS OF YOUR CHOICE!!! DART PRO1 CNC PORTED ALUMINUM BARE BIG BLOCK CHEVY CYLINDER HEADS #19474030 Port Volume: 335cc Chamber Volume: 121cc Spark Plug: Angle Standard Intake Valve: Machined for 2. 300 Exhaust Valve: Machined for 1. 880 Springs: Bare Dart applied the airflow technology developed in their championship winning Pro Stock engine program to produce these state of the