Bb Chev 454 168 t Ext Bal Sfi Flexplate Late 86-on 1 Pce Rmsbbc Aeroflow - Af 89-454 lsfi Intake Manifolds for your Holley carburettor

for your Holley carburettor

These units offer calibrated advance curves that are optimised for maximum combustion efficiency

Part Number: AF59-5244BLK

2 Aluminum Intake Port Volume 276cc Intake Port Location Stock Exhaust Port Volume 92cc Exhaust Port Location Stock Combustion Chamber 70cc Valve Angle 15° Minimum Bore Diameter 4

Bb Chev 454 168 t Ext Bal Sfi Flexplate Late 86-on 1 Pce Rmsbbc Aeroflow - Af 89-454 lsfi Intake Manifolds for your Holley carburettorPart Number: AF89 454LSFI heavy duty flexplate 168 tooth externallybalanced sfi approved big block chev 1991 and up 's sfi rated heavy duty flexplates are manufactured with extra thick material and double welded. These flexplates will withstand the extreme power and rpm of today's engines. Available to suit chev, ls, ford and holden. sfi certification sticker 29. 1 approved balanced and checked for runout. 168 tooth flexplate. suits 1 piece rear main