chevy v8 s/r equipped with manley streetflo ... stainless steel valves pre 1987 accepts both perimeter and center bolt ... accepted by nhra as replacements for chevy 041 186 291 292 462 and 492 cylinder ... accessories hardened steel exhaust seats compatible with today s unleaded ... material high density cast iron valve seats integral intake hardened steel exhaust ... heads ring and band valve seals valve springs manley 7° chrome moly retainers and ... accepts 14mm-5/8 .460 reach tapered seat accel 274 or 276 ac-delco 43ts or 44ts ... small block chevrolet stock replacement 1987 up intake cylinder heads 043640 bare ... street cast iron 1.94 x 1.50 11/32 1987 and later intake face spring specs 1. ... 250 single 100 seat 1.250 single 100 seat 1.250 single 100 seat 1.250 single ...
priced high performance small block chevy 2.02 cylinder heads screw-in rocker ... model accessories the exhaust valve seats are hardened to provide compatibility ... for engines up to 1986 and 76cc for 1987-on applications they are designed to use 2 ... material high density cast iron valve seats integral intake hardened steel exhaust ... heads ring and band valve seals valve springs manley 7° chrome moly retainers and ... accepts 14mm-5/8 .460 reach tapered seat accel 274 or 276 ac-delco 43ts or 44ts ... 11/32 spring specs 1.250 single 100 seat 1.250 single 100 seat 1.250 single ... 100 seat max lift .560 .560 .560 chamber 67cc ... 76cc small block chevrolet s/r torquer 1987 up intake cylinder heads 18 rev 2/07 ...