CYLINDER HEADS. CHEV S/BLOCK. 23 DEGREE. 180CC INTAKE/70CC EXH RUNNERS - STRAIGHT PLUG - 2.02-1.60 STAINLESS VALVES - SPRING INTALL 1.85@100LBS - MAX LIFT .575@300LBS - ONE PAIR. RECOMMEND AUT3924 PLUG
Prices exclude GST. GST will be added at checkout.
CYLINDER HEADS. CHEV S/BLOCK. 23 DEGREE. 180CC INTAKE/70CC EXH RUNNERS - STRAIGHT PLUG - 2.02-1.60 STAINLESS VALVES - SPRING INTALL 1.85@100LBS - MAX LIFT .575@300LBS - ONE PAIR. RECOMMEND AUT3924 PLUG is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Small Block Chevy Performance Aluminum Cylinder Heads
Cylinder Head Material A356.0 Aluminum T6
Combustion Chamber Volume 64cc
Exhaust Runner Volume 70cc
Intake Runner Volume 180cc
Spark Plug Style Straight
Intake Valve Diameter (inch) 2.02
Exhaust Valve Diameter (inch) 1.60
Valve Material Stainless Steel Valves
Spring Install Height (inch) 1.85" @ 100lbs
Maximum Valve Spring Lift (inch) 0.575" @ 300lbs
Outside Diameter of Outer Springs (inch) 1.47
Number of Springs per Valve Dual
Lock Style 7 Degree
Valve Stem Seal Style Viton Seal
Rocker Arm Nut Thread Size (inch) 7/16
Guide Plate Pushrod Size (inch) 5/16
Valve Cover Mounting Style Perimeter Bolt
Valve Angle 23 Degree
Valve Stem 8.67mm
Valve Guide Material Manganese Bronze
Valve Seat Machine Style Exhaust 2 Angle Plus Arc
Valve Seat Material Powder Metallurgy
Valve Seat Max Pressure 96 HRB / (35 HRC if required)
Steam Holes Drilled No / If Required
Oiling Style Through Pushrod
Need advice?
Need advice?
Give us a call on 0800 327 350 or email sales@silvesterv8.co.nz
CYLINDER HEADS. CHEV S/BLOCK. 23 DEGREE. 180CC INTAKE/70CC EXH RUNN...
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
