Product Summary

Center Bolt Valve Cover Mounting Style

  • Slant-Edge Style Center Bolt
  • Chevy® Orange Finish
  • Made from High-Quality Die Cast Aluminum
  • Milled/Raised CHEVROLET and Bowtie Emblem
  • Fits GM LS Series Engines
See more details

Key Specs

MFG. Part #141-257
BrandProform
Valve Cover Mounting StyleCenter Bolt
See more specs

Need To Know

Quick and Easy Returns

Return Policy

Proform 141-257 Details

Through innovative engineering, PROFORM has developed a valve cover that will take your generic looking stock LS engine, and give it a totally personalized look. These new valve covers are taller than stock valve covers, and can accommodate a wide variety of large valve train applications. These valve covers are available in multiple styles, which include raised and recessed emblems. Unique mounting studs, and oil restricting baffles are included. Threaded mounting holes for the optional Integrated Ignition Coil Bracket included. The passenger side valve cover has an oil filler hole. Sold in pairs. U.S. Pat. D657,798.

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 141-257 Specifications

KEY SPECS
MFG. Part #141-257
BrandProform
Valve Cover Mounting StyleCenter Bolt
GENERAL
GTIN Code037995412570

Questions & Answers

Customer Impersonation Script