Hooker BlackHeart Stainless Exhaust Manifold - 2-1/2 in Outlet - GM LS-Series (Pair) 8503-1HKR QRP40-245 055" thick steel core used

055" thick steel core used for all "Econo" pans

Depth - Single Groove - Short Style - Black Satin Powder Coated

Rugged Mobile Radios & Intercoms

07" from front lifter valley cover to carb mounting flange

The Max-Lift BSR Shaft Rocker System ensures the rocker pad and valve tip remains parallel through the contact sweep

Hooker BlackHeart Stainless Exhaust Manifold - 2-1/2 in Outlet - GM LS-Series (Pair) 8503-1HKR QRP40-245 055" thick steel core usedHooker BlackHeart Stainless Exhaust Manifold 2 1 2 in Outlet GM LS Series (Pair) Hooker Blackheart now offers stainless steel versions of our popular cast iron lineup of LS swap exhaust manifolds based on the 8502HKR and family. The new stainless steel manifolds offer a number of advantages over the cast iron version, including increased durability, reduced weight, and improved corrosion resistance. The shorty tight tuck design means you can route