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PRO-PORT™ + HI-REV™ CYLINDER HEADS SERIES 25

SCAT PRO-PORT TYPE 1 CYLINDER HEADS ARE ASSEMBLED WITH 35 YEARS OF EXPERIENCE AND HI-REV™ COMPONENTS

ALL OF OUR PRO-PORT CYLINDER HEADS OFFER THE FOLLOWING FEATURES:

  • 1-piece 214N stainless steel valves with manganese racing valve guides
  • Competition 3-angle valve job for a positive seal between valve and seat and to increase flow speed
  • Combustion chambers are unshrouded for maximum flow and flame travel
  • Long reach 3/4" spark plug bosses
  • Manifolds (sold seperately) are match-ported and polished to each head for maximum flow

"WEDGE-PORT" 44mm intake x 37.5mm exhaust "SUPER-D" 42mm intake x 37mm exhaust
(Both with dual valve springs & 4140 chromoly retainers)
  • Large port design for drag racing at high RPM (4,000 - 8,000 RPM) and lift
  • Swirl-polished with venturi intake and exhaust runners
  • Special shaped combustion chamber for big power potential

Part# Description Price Buy Online
25060 92/90.5mm BORE 'WEDGE-PORT' HI-REV Polished Heads - Each $374.00
25060-94 94mm BORE 'WEDGE-PORT' HI-REV Polished Heads - Each $374.00
25070 SUPER-D 42 X 37 X 90.5/92mm bore dual spring cylinder head $374.00
25070-94 SUPER-D 42 X 37 X 94mm bore dual spring cylinder head $374.00
30158 'D-Port' 2x40/44/48IDF Weber/Dellorto DRLA Manifold - Pair $109.00
30161 'D-Port' Intake Gasket - 10 Pack $3.99


"MINI D-PORT" PRO COMP - 40mm intake x 37.5mm exhaust
with dual valve springs & 4140 chromoly retainers
  • Smart port design for total performance (2,000 - 6,000 RPM)
  • Swirl-polished with venturi intake and exhaust runners
  • Efficient combustion chamber (1950cc - 2275cc)

Part# Description Price Buy Online
25072 92/90.5mm BORE 'MINI D-PORT' HI-REV Polished HEADS - Each $359.00
25072-94 94mm BORE 'MINI D-PORT' HI-REV Polished HEADS - Each $359.00

PRO STREET - 40mm intake x 35.5 exhaust
with single valve springs with 4140 chromoly retainers

Part# Description Price Buy Online
25035 85.5mm BORE 'STREET-PORT' HI-REV PRO STREET HEADS - Each $219.00
25035-92 92mm BORE 'STREET-PORT' HI-REV PRO STREET HEADS - Each $229.00
25035-94 94mm BORE 'STREET-PORT' HI-REV PRO STREET HEADS - Each $229.00