Hold-Down Clamps


  • Minimizes distortion of valve cover flanges
  • For 1955-1986 Small Block V8 and 90° V6 engines
  • 4 clamps per package – order 2 per engine


Hold Down Clamps

P/N 12341986

– Clamps to minimize distortion of valve cover flanges on 1955-1986 Chevrolet Small-Block V-8 and 90° V-6 engines
– 4 clamps per package; order 2 per engine


Hold-Down Clamps

12341986 Chevrolet Valve Components

When it comes to building the Small-Block engine for the project vehicle of your dreams, you don’t want to sacrifice performance or durability ヨ and that’s why you should trust Chevrolet Performance. They’ve been designing, testing and manufacturing Small-Block parts since 1955. Their engineers know what it takes to offer the finestquality parts for your Chevy.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to