Cylinder Head Vital Specs - Power Curves

We Measure All Vital Specs on 8 Cylinder Heads

Bob Mehlhoff Jun 19, 2006 0 Comment(s)

RHS LIGHTNING

0608ch_02_z Cylinder_heads Rhs_lightning_cylinder_head 1/11

800.345.4545
jegs.com

The RHS 23-degree cylinder heads come complete with high-quality Comp Cams components (valvesprings, retainers, and keepers). They unleashed 468 lb-ft of torque from the 383 small-block at 3,900 rpm and 422 horses at 5,500 rpm. This head incor-porated a larger 72cc cumbustion chamber, which produced lower compression on our test engine than the smaller 64cc chambers featured on many of the other heads.

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