Stage 8 Locking Header Bolt Kit - 12pt. 3/8-16 x 1-1/4 (12) AA0710AG3S55 0W-40 under 18406 and 10W-60

0W-40 under 18406 and 10W-60 under 18606

since the countershaft is fully supported by needle roller bearings

Dual metering block system utilizing four corner idle adjustment for precision tuning

Engineered To Keep Both Wheels In Drive Mode

Stage 8 Locking Header Bolt Kit - 12pt. 3/8-16 x 1-1/4 (12) AA0710AG3S55 0W-40 under 18406 and 10W-60Product Description: Header Bolt Locking 3 8 16 in Thread 1. 25 in Long 12 Point Head Steel Nickel Plated GM V6 Small Block Chevy Set of 12 Stage 8 Locking Fasteners has provided Fail Safe Joint Integrity For Critical Applications over 22 years. Stage 8 Locking Fasteners are available in kits, ready to install on all critical automotive parts like headers, starters or turbos. Stage 8 Locking Fasteners easily install on all popular makes and models and