Composition Head Gasket, ZZ$ & 350 HO


  • Optimum sealing
  • Aluminum or cast-iron heads
  • 0.051″ compressed thickness
  • Used on ZZ4 and 350 HO engines
SKU: 12557236 Categories: ,

Composition Cylinder Head Gasket

P/N 12557236

– Stainless steel fire rings
– Fits aluminum or cast-iron heads
– Used on ZZ4 and 350 HO engines
– 0.051″ compressed thickness




Composition Cylinder Head Gasket

12557236 Chevrolet Head Gasket

ZZ4, 350 HO

Chevrolet Performance cylinder head gaskets, cylinder head bolts and cylinder head studs are the finest-quality parts available. Their superior construction ensures optimum sealing between cylinder heads and the engine block.

Chevy Gasket packages contain one gasket unless otherwise specified. Head gaskets are available in a variety of materials and thicknesses. GM engineers recommend using the proper gasket to maintain compression ratios and minimum piston-to-cylinder-head clearances.

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