BBC Double Roller Infinitely Adjustable Timing Set BB Chevy ARP Bolts 08-4710.
Engine Pro 08-4710 Pro Adjust .250 Seamless Double Roller Chain Timing Set
This timing set fits Big Block Chevrolet Engines 366, 396, 402, 427, 454 (1965-90) using flat tappet camshafts.
Cam timing has never been quicker or more accurate to adjust! The "adjustable mechanism" allows camshaft movement with the "operational valve springs" and "valve train components" in place and NO unloading or removal of rocker arms is required!
PRO ADJUST Double Roller Timing Chain Sets Unique Features Include:
- .250 seamless double roller chain.
- "Constant balance technology" maintained throughout full adjustment range of +6 degrees to -6 degrees!
- ARP adjusting bolts.
- CNC heat treated billet steel crank sprocket.
- Premium billet steel cam sprocket.
- Press fit torrington roller thrust bearing assembly.
- Cam timing adjustable with valve covers installed. Not necessary to back-off rocker arms!
- "Exact radial" run out tolerance!
- Super heavy duty racing roller chain.
- Precision matched sets.
- Available for many American race engines.
- Align bore sets available on popular applications.
