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Hi-Tek Marine

5.8L Small Block Ford Replacment Exhaust Manifolds, End Dump

Your Price:
$2,199.99

This Part has options, please click the button below to order.

5.8L Small Block Ford Replacment Exhaust Manifolds, End Dump

652-HT4

5.8L Small Block Ford Replacment Exhaust Manifolds, End Dump

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis


PCM 351 Ford Replacement Exhaust Manifolds, 3-1/2" Hose

Your Price:
$2,199.99

This Part has options, please click the button below to order.

PCM 351 Ford Replacement Exhaust Manifolds, 3-1/2" Hose

652-HT42

PCM 351 Ford Replacement Exhaust Manifolds, 3-1/2" Hose

  • Polished finished
  • Zinc anode (replaceable)
  • Approx. 1/4 the weight of cast manifolds
  • Smooth even flow of cooling water to all surfaces
  • Replaces Stock OEM Exhaust systems
  • Standard replacement exact fittings and higher than standard eg. 3", 6" 12" etc. manifolds
  • One piece design eliminates the possibility of gasket failure resulting in engine failure
  • Only one water inlet reduces the chances of leaking
  • 5 Year Limited Warranty

Hi-Tek vs Indmar (350 Chevy)
260 HP Mercruiser Dyno Test
260 Mercruiser Test Dyno Report

  1. Water mixes with exhaust gases
  2. Extractor design for cylinder scavenging for maximum efficiency
  3. One piece design eliminates the possibility of gasket failure resulting in engine failure
  4. Only one water inlet reduces the chances of leaking
  5. Anode prevents electrolysis