Product Description
Small Block Hi-Flow Tri-Y Under Chassis Headers Chrome Plated Our new under-chassis, Tri-Y header system gives you high-flow header performance with a custom fit that means you don't have to sacrifice your power steering. Retain exhaust studs in the heads - no more breaking into water jackets! Plus, unlike most headers, it doesn't capture the starter, has excellent spark plug clearance, and is easily installed from the top down. Works with manual or power steering. • Works with automatic transmission only • Requires smaller than stock starter (see recommended) • Requires 90 degree oil filter adaptor or the shorty oil filter • Tri-y step up design • 1 5/8” primary - 2” secondary - 2 1/2” collector. • 14 gauge steel tubing • 3/8” flanges at the head • Ball and socket joint at the collector • High quality welds • Mandrel bent for smooth flow • Retain the exhaust studs in the heads (no more cooling leaks) • Requires smaller than stock starter '67 & up A-Body, 273, 318, 340 & 360 '62 & up B-Body, 273, 318,340 & 360 '70 - '74 E-Body, 273, 318, 340 & 360