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IMCO PowerFlow Plus Manifold & 90° Riser Kit Polished (02-8378)
IMCO PowerFlow Plus Manifold & 90° Riser Kit Polished (02-8378)
PowerFlow Plus Manifold and 90° Riser Kit Polished IMCO's innovative patented cast aluminum manifolds and risers are designed with internal runners for 510 cubic inch, naturally aspirated, or blown big block Chevy...

$2,999.00 $2,699.00
IMCO PowerFlow Plus Manifolds Only (Black) (02-8065)
IMCO PowerFlow Plus Manifolds Only (Black) (02-8065)
Black PowerFlow Plus (Comes with all necessary hardware & gaskets). (Sold in pairs) IMCO's innovative patented cast aluminum manifolds and risers are designed with 33" internal runners for those 510 and bigger cubic...

$1,946.00 $1,751.00
IMCO PowerFlow Plus Manifolds Only (Polished) (02-8067)
IMCO PowerFlow Plus Manifolds Only (Polished) (02-8067)
Polished PowerFlow Plus (Comes with all necessary hardware & gaskets). (Sold in pairs) IMCO's innovative patented cast aluminum manifolds and risers are designed with 33" internal runners for those 510 and bigger cubic...

$1,982.00 $1,784.00
IMCO Thumper Power Big Block Manifold & Riser Kit Black (02-8300)
IMCO Thumper Power Big Block Manifold & Riser Kit Black (02-8300)
Thumper Power Big Block Manifold & Riser Kit Black (Sold in pairs)IMCO's affordable alternative to stock cast iron Chevy manifolds and risers. Our all cast aluminum manifolds and risers will increase Horsepower, RPM, and...

$1,643.00 $1,479.00
IMCO Thumper Power Big Block Manifold & Riser Kit Polished (02-8306)
IMCO Thumper Power Big Block Manifold & Riser Kit Polished (02-8306)
Thumper Power Big Block Manifold & Riser Kit Polished (Sold in pairs)IMCO's affordable alternative to stock cast iron Chevy manifolds and risers. Our all cast aluminum manifolds and risers will increase Horsepower, RPM,...

$1,948.00 $1,753.00
IMCO Thumper Power Small Block Manifold & Riser Kit Black (02-8302)
IMCO Thumper Power Small Block Manifold & Riser Kit Black (02-8302)
Thumper Power Small Block Manifold & Riser Kit Black (Sold in pairs)IMCO's affordable alternative to stock cast iron Chevy manifolds and risers. Our all cast aluminum manifolds and risers will increase Horsepower, RPM,...

$1,277.00 $1,149.00
IMCO Thumper Power Small Block Manifold & Riser Kit Polished (02-8308)
IMCO Thumper Power Small Block Manifold & Riser Kit Polished (02-8308)
Thumper Power Small Block Manifold & Riser Kit Polished (Sold in pairs)IMCO's affordable alternative to stock cast iron Chevy manifolds and risers. Our all cast aluminum manifolds and risers will increase Horsepower,...

$1,655.00 $1,490.00