APEXi Engine Metal Head Gasket FA20 (ZC6 / ZN6), 89.5mm, T=0.7 (814-T401) 1658 This is done to maintain

This is done to maintain airspeed for improved throttle response

0 (J65) Description_ASM Rear S7K FMSI D413 89 thru 92 PONTIAC Firebird/Trans Am (3rd Gen) 5

1ea p/n 15672 AN-06 Y-Block

Old cracked or split Heater Hoses are not efficiently cooling your engine which can cause it to overheat leaving you stranded

This Track Edition can not be returned for sound preference reasons

APEXi Engine Metal Head Gasket FA20 (ZC6 / ZN6), 89.5mm, T=0.7 (814-T401) 1658 This is done to maintainThe A'PEXi metal head gaskets provide upgraded protection on high horsepower engines. Factory head gaskets cannot withstand the pressures of high output operation and often cause the engine to "blow." This condition is actually caused by a failure in the factory head gasket. A'PEXi recommends replacing the factory head gasket with a metal one before gasket failure causes more damage to the engine. The gaskets are all designed engine specific and