MSD Circle Track HEI - 8362CT y-pipe 8 L6 1988 - 1991

8 L6 1988 - 1991 GMC K2500 305/5 V8 1991 GMC K2500 454/7

80681 Z-Gate

MagnaFlow #19546 is weight optimized for additional utility and designed such that its mandrel bent 2

00-inch mandrel-bent 409 stainless steel inlet pipe flowing into a 50 Series Big Block™ performance muffler for a deep mellow tone

Dimensions of Tee: 1

MSD Circle Track HEI - 8362CT y-pipe 8 L6 1988 - 1991Overview: MSD engineers have worked tirelessly to perfect the new circle track HEI. A bulletproof ignition module fires a high output coil in the cap while a specially designed, QPQ coated chromoly advance cam and weight set ride on tig welded weight plate pins and a tig welded distributor shaft. This combination provides brute strength and precision timing from idle to max RPM. At the bottom, a QPQ coated steel gear will run lap after lap, race after