STROKER ENGINES - CRATE ENGINES - NC CUSTOM ENGINES
"PRO SERIES" RACE VALVES
1 PC FORGED (21-4N) HIGH STRENGTH STAINLESS STEEL CONSTRUCTION
HIGH FLOW UNDER HEAD FILLET RELIEF - 50 HR-C HARDENED TIPS - HARD CROME PLATED STEMS
SMALL BLOCK CHEVY
| PART # | TYPE | HEAD DIA. | INSTALL HEIGHT | STEM | O/A LENGTH |
|---|---|---|---|---|---|
| ZX-202 | INT. | 2.020" | STD | 11/32" | 4.925" |
| ZX-202-1 | INT. | 2.020" | +.100" | 11/32" | 5.025" |
| ZX-202-2 | INT. | 2.020" | +.200" | 11/32" | 5.125" |
| ZX-2055-1 | INT. | 2.055" | +.100" | 11/32" | 5.025" |
| ZX-2055-2 | INT. | 2.055" | +.200" | 11/32" | 5.125" |
| ZX-208-1 | INT. | 2.080" | +.100" | 11/32" | 5.025" |
| ZX-208-2 | INT. | 2.080" | +.200" | 11/32" | 5.125" |
| ZX-160 | EXH. | 1.600" | STD | 11/32" | 4.925" |
| ZX-160-1 | EXH. | 1.600" | +.100" | 11/32" | 5.025" |
| ZX-160-2 | EXH. | 1.600" | +.200" | 11/32" | 5.125" |
| ZX-1625-1 | EXH. | 1.625" | +.100" | 11/32" | 5.025" |
| ZX-1625-2 | EXH. | 1.625" | +.200" | 11/32" | 5.125" |
LS1 CHEVY
| PART # | TYPE | HEAD DIA. | INSTALL HEIGHT | STEM | O/A LENGTH |
|---|---|---|---|---|---|
| ZX-1202 | INT. | 2.020" | STD | 8mm | 4.870" |
| ZX-1205 | INT. | 2.055" | STD | 8mm | 4.870" |
| ZX-1160 | EXH. | 1.600" | STD | 8mm | 4.910" |
BIG BLOCK CHEVY
| PART # | TYPE | HEAD DIA. | INSTALL HEIGHT | STEM | O/A LENGTH |
|---|---|---|---|---|---|
| ZX-2065 | INT. | 2.065" | STD | 3/8" | 5.220" |
| ZX-219 | INT. | 2.190" | STD | 3/8" | 5.220" |
| ZX-225 | INT. | 2.250" | STD | 3/8" | 5.220" |
| ZX-1725 | EXH. | 1.725" | STD | 3/8" | 5.420" |
| ZX-188 | EXH. | 1.880" | STD | 3/8" | 5.420" |
| ZX-1225-1 | INT. | 2.250" | +.100" | 11/32" | 5.355" |
| ZX-1225-2 | INT. | 2.250" | +.250" | 11/32" | 5.505" |
| ZX-1230-1 | INT. | 2.300" | +.100" | 11/32" | 5.355" |
| ZX-1230-2 | INT. | 2.300" | +.250" | 11/32" | 5.505" |
| ZX-1188 | EXH. | 1.880" | STD | 11/32" | 5.420" |
| ZX-1188-1 | EXH. | 1.880" | +.100" | 11/32" | 5.520" |
