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Your order Product Subtotal Chevrolet Performance Head Bolt Kits 17800568 × 1 $32.10 Proform GM Licensed Slant Edge Valve Covers 141-870 × 1 $307.99 PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads 9200HR × 1 $1,033.60 Summit Racing™ Exhaust Tubing SUM-640252 × 1 $15.29 Advance Adapters Chevy to Jeep Transmission Adapter Bellhousings 712548 × 1 $344.96 Borla ProXS Mufflers 40659 × 1 $95.19 Subtotal $1,829.13 Shipping Flat rate: $20.00 Total $1,849.13 🔒 Secure Checkout — Your payment is encrypted and secure. We never store your card details. Secure Card Payment Pay safely with your preferred card. Since your browser does not support JavaScript, or it is disabled, please ensure you click the Update Totals button before placing your order. You may be charged more than the amount stated above if you fail to do so. 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