Mercury Marine 864908A1 Riser Extension Kit 6".

FITS 14 DRY JOINT RISERS ONLY WHERE THE BOLT IS 5-3/4" LONG & 14 DRY JOINT RISERS ONLY WHERE THE BOLT IS 7-1/2" LONG

This kit is for "Warm Riser" standard (raw water) cooling of 350 MAG, 357 MAG, 383 MAG STROKER, 4.3L, 5.0L, 5.7L, & 6.2L engines that use the 7 or 14 degree riser.

Features:
Spacer Height: 6"
Fits 7 & 14 Risers

Includes:
2 - 6" Spacers
2 - Restricted Gaskets
2 - Full Flow Gaskets
8 - (.375-16 x 1.00) Bolts
6 - (.250-20 x .625) Torx Screw
2 - (.250-20 x .375) Torx Screw
2 - Pipe Plugs
2 - Bracket

Gasket placement depends on application. You must replace gasket configuration in the same way they were taken off.