(One) -4 single out & (One) -4 Dual Out Vent Adapters 1989-chevrolet-p30-esi4182532 155 in Bore - 5/64

155 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 22

Connecting Rod Bolt Kit - 3/8 in Bolt - 1

1 - Steel - Black Powder Coat - Internal Balance - Pontiac V8 - Each

Seat Mount - Side Mount - Mounting Hardware Included - Silver Anodized - Pair

(One) -4 single out & (One) -4 Dual Out Vent Adapters 1989-chevrolet-p30-esi4182532 155 in Bore - 5/64Another first from Earls are the adjustable LS steam tube adapters. The original GM brazed vent tube manifold does not take into consideration the aftermarket intakes and accessories we put on our performance vehicles. Replace the rigid hard lines with these adjustable outlet, O ring seal adapters that converts to 3 or 4 AN plumbing. Earl's Steam tube adapters are the most adjustable and lowest profile available. These adapters LOOK as nice as they