1-1/4" NPT Dual Common Inlet/Outlet Sea Pump Adapter

These new Dual Stage radiused inlet/outlets provide the answer at last to a equal distribution sea pump that until now has never been available from a machined square block. These water inlet manifold.are cast and polished from 316L Stainless steel featuring equal length and size inlet tubes for equal distribution provided by the massive 1-1/4"npt inlet.  Equal distribution to each chamber has long been a challenge that until now with modern precision flow technology and data acquisition monitoring was unavailable.Careful engineering was put into the design of both  the vacuum and pressure fed characteristics, The design and configuration of the inlet allows tighter easier access and plumbing. This inlet is unmatched by anything available today in modern marine cooling systems.

Roller Tip Rocker Arms - Small Block Chevy 3/8" Stud, 1.6 Ratio

These rocker arms offer you the performance advantages of greater durability, plus feature a roller tip to reduce valve and guide wear The stiffer design inhibits flex that causes variation in ratios Higher effective ratios allow more valve lift, and that translates into a 15-30 hp increase.

WASHER Mercruiser 525-12-41613

GASKET Mercruiser 27-416151

Supersedes: 27-35735
27-78140
27-41615

GASKET Mercruiser 27-41610

Supersedes: 27-49814

GASKET (Priced Each. Must be sold in quantities of 2) Mercruiser 27-416141

Supersedes: 27-35740
27-46232
27-78139
27-41614

CAP Mercruiser 19-879194161

SPRING Mercruiser 24-161951

Supersedes: 24-16195

Mercruiser Flywheel Puller Cap Tool 91-24161

OIL CAP Mercruiser 8M0041614

DIPSTICK Mercruiser 8M0041617