NOW ACCEPTING DEPOSITS FOR OCTOBER 2010 DELIVERY
CAST AND MACHINED IN THE USA
COMPLETELY REDESIGNED PORTS AND CHAMBER
ACCEPTS EXISTING INTAKES, EXHAUST AND VALVE COVERS
SPECIFICATIONS FOR Y-BLOCK ALUMINUM CYLINDERHEADS
VALVE SIZES:
1.94" intake 1.54" exhaust 11/32" stemVALVE MATERIAL: Stainless steel, hard chrome stems, hardened tip.
VALVE LENGTHS: 5.110"
VALVE SPRINGS: Single spring with damper, 1.250" diameter, installed height 1.750".
110# Seat @ 1.750" 280# @ .500" Seat pressure 85# with +.050" keepers.
VALVE GUIDES: Manganese Bronze alloy
STEM SEALS: Positive type
STEEL SPRING CUPS. 1.375" OD
Heads cut for 1.460" OD spring cups or discs
Hardened keepers with 1 piece steel retainers.
VALVE ANGLE: 18°
COMBUSTION CHAMBER: 60cc +-
SPARK PLUG: 14MM X ¾" reach
BARE MACHINED CASTING WEIGHT: 24.5#
DECK THICKNESS: .625"
INTAKE AIR FLOW: 235CFM @ .550" lift 28" water column
EXHAUST AIR FLOW: 175CFM @ .550" lift 28" water column
OEM INTAKE FLANGE PATTERN. Accepts existing intake manifolds.
OEM EXHAUST FLANGE PATTERN. Accepts existing exhaust.
OEM VALVE COVER RAIL. Accepts existing valve covers.
ROCKER ASSEMBLIES NOT INCLUDED.
PRICE: 2050.00 PAIR, Completely assembled. To guarantee this price, a deposit of $1,000.00 must be received by June 30, 2010
PRICE AFTER July 1, 2010: 2150.00 PAIR
JOHN MUMMERT
14368 OLDE HIGHWAY 80 Suite C
EL CAJON, CA 92021
(619) 596-0312