Proportioning Valve Kit: 4x4 disc w/brkts, ALLOY - Side Mount Kit You can get the cap

You can get the cap and sucker tube also if wanted

Ribbed lid

which you cut in if needed

that sleeves against or INTO the back of the master cylinder

This quality reproduction part will install exactly as original to replace your worn

Proportioning Valve Kit: 4x4 disc w/brkts, ALLOY - Side Mount Kit You can get the capThis Alloy Bling kit is probably suited more those changing to 4 wheel disc but used in most any 60's & 70's GM brake conversion to 4 wheel disc. LH SIDE MOUNT KIT The proportioning valve body is set up for 4 wheel disc, lines out are for use with 9 16" & 1 2" Ports, are stainless steel while the body and PV are chrome plated. ALSO BUY A PVTOOL if you don't have one.. listed under "PVTOOL" We purposely have the # "PVTOOL" cheap so you'll have one for