Proform GM LS Valve Covers - Slant Edge - Cast Gray HARZ201 12-point-headed intake manifold bolts simplify

12-point-headed intake manifold bolts simplify the job of installing and removing many of today's aftermarket intake manifolds designed with extremely tight fastener clearances

Bar Mount Required

capable of producing high volume and supports high or low pressure whether its fuel injected (electric or mechanical)

Mounted just above the pickup is a mechanical advance assembly that is easy to adjust so you can dial-in an ignition curve to match your boat's application (except PN 8366)

Proform GM LS Valve Covers - Slant Edge - Cast Gray HARZ201 12-point-headed intake manifold bolts simplifyProform GM LS Valve Covers Slant Edge Cast Gray 141 263 Cast Aluminum Valve Cover Gray Crinkle Chevrolet Logo Small Block Chevrolet LS (Set of 2) PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering and manufacturing creative products from intelligent concepts. Our goal is to