angle 170cc straight application small block chevrolet 55 and up street/strip oval ... track 1,500 to 6,500 rpm small block chevrolet 55 and up nhp102 nhp103 ... performance 1,500 to 5,500 rpm small block chevrolet 55 and up nhp104 nhp105 ... oval track 1,500 to 6,500 rpm small block chevrolet 55 and up nhp106 nhp107 ... oval track 1,500 to 6,500 rpm small block chevrolet vortec accepts carb/vortec ... /strip oval track 1,500 to 6,500 rpm big block chevrolet 66 and up 396/454/502 ...
nhp156b nhp157b gm 55 up small block iron straight plug gm 55 up small ... block alum straight plug gm 55 up small ... block alum angle plug gm 55 up small block alum straight plug gm 55 up small ... block alum angle plug gm 55 up small block alum straight plug gm 55 up small ... block alum angle plug gm 55 up small block vortec iron straight plug gm 66 up ... big block alum gm 55 up small block alum straight plug gm 55 up small ... block alum angle plug gm 55 up small block alum straight plug gm 55 up small ... block alum angle plug gm 55 up small block alum straight plug gm 55 up small ... block alum angle plug gm 55 up small block alum straight plug gm 55 up small ... block alum angle plug 9 ...
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big block heads by NAPA