D/R Timing Chain Set Nitrided With Torrington Bearing ROCS2040LB5 Product:Suit BB Chev 396-454, Line Bore .005" Valve springs with larger diameters

Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs

Hushpower Pro Series Turndown MufflerRound

Replacement Intake Valve

These are not off-the-shelf ARP bolts

Use with mounting bracket AF6400-4375 (Polished) or AF6400-4375BLK (Black)

D/R Timing Chain Set Nitrided With Torrington Bearing ROCS2040LB5 Product:Suit BB Chev 396-454, Line Bore .005" Valve springs with larger diametersD R Timing Chain Set Nitrided With Torrington BearingSuit BB Chev 396 454, Line Bore . 005" ROCS2040LB5 CS2040LB5 All Timing Chain Sets are made from billet steel, have 9 Keyways (unless otherwise stated) and have a heat treated crank sprocket. Red Series: standard billet steel set 9 Keyway Gold Series: premium billet steel set with all sprockets nitrided by better durability and longer life. 9 Keyway Blue Series: economy sets for quality but with a