1991-1999 Jeep Wrangler 4.0L Stainless Steel Header with Collector and Hardware The Speedmaster GM LS1/LS2/LS6 Modular

The Speedmaster GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited

Bronze gears absorb the increased wear in special cams and magnetos and are easily replaced before costly damage to the camshaft gear occurs

Get up to four degrees of timing adjustment with Speedmaster adjustable timing pointers

Speedmaster aluminum crankshaft pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs

1991-1999 Jeep Wrangler 4.0L Stainless Steel Header with Collector and Hardware The Speedmaster GM LS1/LS2/LS6 Modular