Owners manual

10) RE-INSTALL THE DIPSTICK TUBE. WRAP SPARK PLUG BOOT WITH HEAT WRAP PROVIDED AND RE-INSTALL.

USING THE NUTS AND BOLTS PROVIDED, RECONNECT THE HEADERS TO THE STOCK EXHAUST UNDERNEATH THE

VEHICLE.

NOTE: On some models, may need to bend heat shield out of the way on passenger side header. Due to header tube

being very close to heat shield. (Only some models.)

11) FINALLY, MAKE SURE ALL BOLTS ARE TIGHT AND EVERYTHING IS RE-CONNECTED. START THE ENGINE AND

LET IT WARM UP. CHECK FOR LEAKS. TURN ENGINE OFF AND MAKE SURE ALL BOLTS ARE TIGHT.

12.) E.O. STICKER INFORMATION

Place the sticker in an area that is protected from high wear or frequent exposure to dirt,

water, etc. Make sure the area is clean before applying. E.O. are usually updated annually,

your E.O.. sticker does not need to be replaced to reflect changes that are made. Smog

inspection stations are updated regularly.

RE-TORQUE HEADERS AFTER 100-200 MILES

PERIODICALLY CHECK AND RE-TIGHTEN THE HEADER BOLTS. IF YOU DON’T RE-TORQUE YOUR

HEADER BOLTS YOU COULD DEVELOP A LEAK AT THE HEAD GASKET.

THIS IS NOT COVERED UNDER WARRANTY.

GP129 HEADER

PARTS LIST

(1) 1 PASS SIDE HEADER ASSEMBLY

(2) 1 DRIVER SIDE HEADER ASSEMBLY

(3) 12 8MM HEADER BOLTS

(4) 12 8MM LOCK WASHERS

(5) 3 3/8” – 1 ½” DRIVER SIDE COLLECTOR BOLTS

(6) 3 3/8” – 2” PASSENGER SIDE COLLECTOR BOLTS

(7) 6 3/8” LOCKWASHERS

(8) 6 3/8” NUTS

(9) 2 HEAD FLANGE GASKETS