Offenhauser 360 Degree Equa-Flow Single-Quad High-Rise intake manifolds make good use of Offy's 360 degree technology to feed all cylinders evenly and make more power. This results from their single-plane configuration, with...
Performer RPM Manifold 1967-85 Olds 350 & 403 Without EGR
Performer RPM manifolds are dual-plane, high-rise intake manifolds with a 180+ firing order to produce incredible top end horsepower while retaining good throttle response. Their larger plenums and runners matchthe...
Offenhauser 360 Degree Equa-Flow Dual-Quad Low-Rise intake manifolds make good use of Offy's 360 degree technology to feed all cylinders evenly and make more power. This results from their single-plane configuration, with its...
Offenhauser 360 Degree Equa-Flow Single-Quad High-Rise intake manifolds make good use of Offy's 360 degree technology to feed all cylinders evenly and make more power. This results from their single-plane configuration, with...
Offenhauser 360 Degree Equa-Flow Dual-Quad High-Rise intake manifolds make good use of Offy's 360 degree technology to feed all cylinders evenly and make more power. This results from their single-plane configuration, with...
Offenhauser 360 Degree Equa-Flow Single-Quad High-Rise intake manifolds make good use of Offy's 360 degree technology to feed all cylinders evenly and make more power. This results from their single-plane configuration, with...
Offenhauser 360 Degree Equa-Flow Dual-Quad Low-Rise intake manifolds make good use of Offy's 360 degree technology to feed all cylinders evenly and make more power. This results from their single-plane configuration, with its...
Offenhauser Dual Port intake manifolds feature completely separate runner systems for the primaries and secondaries for more power across the rpm range. At low-load, the primaries feed the air/fuel charge through the smaller...