Product Summary

262, 265, 267, 283, 302, 305, 327, 350, 377, 383, 400

  • Single plane design with isolated plenum
  • Square bore carburetor mounting flange
  • 4500-7600 RPM power band
  • Height: front 5.11" and 5.97" rear
  • Port size is 2.05 in height and 1.22" in width

Key Specs

MFG. Part #300-25

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  • Single Plane with Isolated Plenum
  • Square Bore Carburetor Mounting Flange
  • Isolated Water cross-over
  • Power band: 4500-7600 RPM
  • Height: Front 5.11", Rear 5.97"
  • Port Size: 2.05 height 1.22" width


CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


MFG. Part #300-25
Fuel System TypeCarbureted
Intake Manifold TypeSingle Plane
Carburetor QuantityOne
Carburetor Flange Type4-Barrel Square Bore
RPM Range4,500-7,600
Material TypeAluminum
Intake Section IncludedComplete
Overall Height5.54"
Bolt Hole Pattern5.160" x 5.625"