2"IRV 5/8x3/4"orf 6-9"BlkSpr

2"IRV SPECIFY ORIFICE/SPRING

1.5"IRV,7/8x1"Orf,White Sprg

1 1/2" SPRING/ORFICE NEEDED

2" NEED SPRING AND ORIFICE

1" IRV 3/8"Orif 5-11 PSI Sprng

2" Gas Reg 3/8"orif BL/WH Sprg

2" GAS REG 1.25" OR BL/WH SPRG

3"Flg.1.25 Orifice,Silver Spr.

3"Flg.1.25"Orifice,Red Spring