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Product Summary

HEI / Male Cap Type, Mechanical and Vacuum Advance Type

  • Fits Chevy V8 Crate Engines
  • Built-In Coil with Magnetic Trigger
  • Comes with a Black Cap and Features a Vacuum and Mechanical Advance
  • Made from Cast Aluminum with Natural Finish
  • Includes GM Melanized Steel Gear
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Key Specs

MFG. Part #141-682
BrandProform
Cap TypeHEI / Male
Advance TypeMechanical and Vacuum
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Need To Know

Quick and Easy Returns

Return Policy

Proform 141-682 Details

These premium distributors include Genuine GM Performance Parts melonized gears (USA), which are required on all GM Performance Parts crate engines, or serious damage will occur. Sintered steel weights for lighter weight while withstanding 270 newtons min. for maximum durability (USA), Validated harness and capacitor for reliable energy flow, Adjustable vacuum advance for fine tuning the rate and amount of advance that will result in increased power and eliminate harmful detonation, Weight springs made with stress-relieved music wire to assure blueprinted advance curve (USA), High-performance module: engineered with low saturation for maximum spark intensity, Low-friction cam with super-smooth, gradual, tight tolerance TIR (Total Indicated Runout) deviation from datum line (USA), Bronze sintered bushings precisely installed and line- honed for perfect positioning, Durable, centerless ground coated shaft for reliable energy transfer and long-term, trouble-free performance. FINAL ASSEMBLY, AND INDIVIDUAL INSPECTION IN WARREN, MICHIGAN.

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.

Proform 141-682 Specifications

KEY SPECS
MFG. Part #141-682
BrandProform
Cap TypeHEI / Male
Advance TypeMechanical and Vacuum
GENERAL
Trigger StyleMagnetic
GTIN Code037995866823
Customer Impersonation Script