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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
Part Number: 0-4777CE
313 in Valve Stem
1987-1989 GMC R2500 CID 454 GAS
ApprovedDoes not require an MSD Ignition ControlSupplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)Nylon pads ensure smooth operation of the advance weightsAdvance weight pins are staked and tig welded to the plateMechanical advance assembly can be locked out for crank trigger systemsAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionPolished steel shaft is QPQ coated and guided by two sealed ball bearingsMaintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeEasy-to-adjust mechanical advance with supplied springs and stop bushingsCNC machined billet aluminum housing and billet aluminum baseVacuum advance canister for improved economy (can be locked out)Easy-to-adjust mechanical advance with supplied springs and stop bushingsPowerful built-in module produces a 7
Wiseco ProTru Forged Piston- Dome Top - 4.165" Bore - 3.750" Stroke - 6.000" Rod - Chevy 400 29020BL Part Number: 0-4777CEManufactured by Wiseco, ProTru Pistons are forged and affordable with features usually only found in more expensive pistons. Wiseco Pro Tru Kits include pistons and wrist pins. Ideal for racers on a tight budget. The pistons feature CNC machined domes, oversized valve pockets for use with larger diameter valves and higher lift camshafts, and precision reamed, pressure fed wrist pin oiling holes. Last but not least, the wrist pins are made from
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