COMP Cams Hi-Tech Double Roller Timing Set - Cast Iron / Billet Steel - Small Block Chevy / GM V6 3136CPG DRT31612111 Duration 236 / 236

Duration 236 / 236

1988-1997 GMC C1500

The carb mount flange accepts both square-bore and spread-bore carbs for Cobra Jet applications

1991 GMC C2500 CID 454 GAS

COMP Cams Xtreme Fuel Injection 252XFIH-13 Hydraulic Camshaft for Small Block Chevy

COMP Cams Hi-Tech Double Roller Timing Set - Cast Iron / Billet Steel - Small Block Chevy / GM V6 3136CPG DRT31612111 Duration 236 / 236Comp Cams Hi Tech Double Roller Timing Set Cast Iron Billet Steel Small Block Chevy GM V6 COMP Cams Hi Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre stretched, heat treated double roller chains with heavy duty large pin design. They feature 3 keyway crank sprockets for 4? incremental adjustability with 4? maximum advance or retard. These timing sets are dynamically balanced and