Advertised horsepower is : 160 HP @ 4400 RPMs.
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Advertised horse power is 160 HP @ 4400 RPMS. STOCK.
Around 180
try autozone.com
You'd have fewer complications if you stick with 86 and older.
'86-'88
376 c.i.
No Chevy changed engines in 86 87 depending on what part of the country your in. The angle on intake surface is different. And the exhaust is different.
That is the knock sensor.
1986 305 TPI 190 HP / 285 Lb.Ft
well depending on which one you are refering most can be purchased at an auto parts