Die-Cast Std Die-Cast Comp Rel (no center hole) (w/center hole) # Description 89-516 89-538
1 Base 89-540 89-543
2 Cover 89-541 89-544
3 Center Section 89-542 89-545
4 Hardware kit 89-519 89-519
5 Reed Valve Kit 89-518 89-518
6 Gasket Kit* 77-109 77-111
7 Crush Washer, each 89-436 89-436
*Gasket Kit 77-109 includes Base & Cover Gaskets. 77-108 & 77-111 includes Base & Cover Gaskets and Center O-Ring.
1 Base 89-540 89-543
2 Cover 89-541 89-544
3 Center Section 89-542 89-545
4 Hardware kit 89-519 89-519
5 Reed Valve Kit 89-518 89-518
6 Gasket Kit* 77-109 77-111
7 Crush Washer, each 89-436 89-436
*Gasket Kit 77-109 includes Base & Cover Gaskets. 77-108 & 77-111 includes Base & Cover Gaskets and Center O-Ring.