Trans-Dapt Performance Products offers a full selection of both gasket and o-ring design waternecks for, GM, Ford and Mopar vehicles. All waternecks include required bolts, and some GM models are available with Chevy Orange Powder Coat.
 
Part # ProductTube DiameterEngineFinishKEY FEATUREMaterial Media
4788 Water Neck; SB and BB Chevy- Early Model; (Gasket Seal); - CHROME CHEVY SB/BB V8 (early '55-64)ChromeGasketSteel
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$17.97
4789 Water Neck; SB and BB Chevy- Late Model; (Gasket Seal); - CHROME CHEVY SB/BB V8 (late '66-75)ChromeGasketSteel
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$21.26
4987 Water Neck; CHRYSLER V8; (Gasket Seal); - CHROME MOPAR V8 (all)ChromeGasketSteel
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$18.88
9228 Water Neck; SB and BB Chevy- Early Model; (O-Ring Seal); - CHROME CHEVY SB/BB V8 (early '55-64)ChromeO-RingSteel
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$16.83
9229 Water Neck; SB and BB Chevy- Late Model; (O-Ring Seal); - CHROME CHEVY SB/BB V8 (late '66-75)ChromeO-RingSteel
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$16.83
 
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