RP's rugged, black-oxide coated chromoly intake manifold bolts are rated at 170,000 psi. They're precision-machined for optimum thread engagement and have a wide-area flange for better load distribution. They also feature precision-rolled threads, which prevent galling, while promoting more consistent torque loading. These bolts are available with either hex or 12-point heads, and washers are included.
Chevy LS1, LS4, LS6, LM7-5.3, LQ4-6.0 & RL4-4.8
Thread Size: 6mm x 1.0
Washer Included: Yes
Head Style: 12-point
Fastener Style: Bolt
Fastener Finish: Black oxide
Fastener Material: Chromoly
Quantity: Sold as a set of 10.
Notes: These bolts have a 4.480 in. under head length.
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