Procomp PC-W3001 spring seat 1.553 O.D. .565 I.D. .055 THICK .727 spring I.D. MANLEY 42313 • Head Bolt

MANLEY 42313 • Head Bolt Washers: MANLEY 42102 • Head Studs: ARP 134-4001 (6 pt) • Accessory Bolt Holes Are Drilled • Spark Plug Starting Points: CHAMPION RN12YC OR AUTOLITE 3924 FOR PUMP GAS NGK R5671A-8 FOR RACING GAS • Spring Pockets: MAY NOT BE CUT ANY LARGER OR DEEPER THAN 1

Chromium alloy steel piston pin & Spirolox® included

600 EXHAUST  113          164          219         246         256          262        265         267

625 EXHAUST             112                    167                   209                  227                  238                  245

Procomp PC-W3001 spring seat 1.553 O.D. .565 I.D. .055 THICK .727 spring I.D. MANLEY 42313 • Head BoltCALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. The old standard shims will not hold up to the extreme spring pressures and high RPM in todays race engines. Procomp offers a simple but effective solution to this problem. These Valve Spring Locators provide a thin, hardened steel alloy seat that will not only protect the head and shim, but also locate and hold the spring in place. Previously, this part has been available only in a cup form with the