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  Unassembled Block Kit Specials  
 
PAW Performance Automotine Warehouse FORD 420 Windsor Block Kit
  
 
Just Updated for are new 2008 Catalog.........
 
 
Small Block Ford 351W stroker 420 Windsor Engine Kit SPBFORW420
Small Block Ford 351W stroker 420 Windsor Motor Kit Bore 4.040" Stroke 4.100" Rod Length 6.200" Bore at .030 = 418, .040 = 418, .060 = 424 Compression Ratio Flat Top piston 60cc 12.3:1, 64cc 11.8:1, 69cc 11.1:1, Dished 60cc 10.2:1, 64cc 9.8:1, 69cc 9.4:1 this is based on .040" bore and .011" deck clearance  
           
 
SHORT BLOCK KIT
 LONG BLOCK KIT  
 

PRICE
Truck Freight $2395.00

PRICE
Truck Freight $3295.00

  
BLOCK - 1971 & later 351W block with 9.503 stock deck height and 1 or 2 piece rear main seal. NEW 4.100" crank requires less clearing than 4.125" stroke (427).
CRANKSHAFT - Brand NEW 4340 steel crankshaft 4.100" stroke, 351W main size, 350 Chevy, 2.10" rod journal size. Has oil slinger which can be removed for use in 1 piece rear main seal block. Precision ground .010" .010".
RODS - Brand NEW 5140 SR Series I-Beam rods, 6.200" long with SB Chevy journal size and .927" bushed pin end. Optional I-Beam lightweight & H-Beam rods available at extra cost.
PISTONS - NEW forged pistons in either flat top or dish style. Cut for large valve sizes. 1/16" - 1/16" -3mm" ring grooves. .927" pin.
RINGS - High performance moly ring set.
BEARINGS - Main : M77-MS981P.010" fully Grooved main set. Rod: M77-CB663P.010 rod set.
CAMSHAFT - Choice of SSI cams
TIMING CHAIN SET - PAW-111 (for 1 piece) or PAW-114 (for 2 Piece fuel pump eccentric) double roller timing set.
BALANCED - This kit will balance with either a 28 or 50 oz. balancer without the aid of heavy metal. Customer must specify which damper and flexplate or flywheel he is using.

Contains everything to the left, plus...

CYLINDER HEADS - NEW RHS™ Pro Action cast iron cylinder heads. Heads features 200cc intake runners which have an improved design that combines high velocity and superior flow which produces excellent torque & throttle response over factory heads. Heads have a 64cc chamber. NEW 2.02/1.60 Comp Cams stainless valves. Hardened steel exhaust seats. NEW screw-in studs & guide plates. NEW single valve spring which will handle up to a .560" lift cam.
Optional dual springs available. See options below.
LIFTERS - NEW PAW hydraulic or solid - your choice to match camshaft.
PUSHRODS - NEW PAW chrome moly 5/16" pushrods for extra reliability.
OIL PUMP - Brand NEW PAW high-performance, high volume oil pump.
GASKETS - A full set of top-quality FEL-FRO gaskets is included.

Cylinder Head Options
OPTIONS
  • Available in 418 or 420Cu. In.
  • For other compression ratios & options on racing rods, aftermarket heads, etc. - Please Phone!
  • Vibration damper ........Phone
  • Note:
    • This kit can use early style 28oz. or
      late-style 50oz. balancer & flex-plate or
      flywheel (Please specify) ....Phone
    • Specify automatic or 4 or 5 speed manual transmission.
  • Flex-plate, flywheel .......Phone
  • New timing cover ..........Phone
  • Roller Cams available ....... Phone
Performance Automotive Warehouse Inc.
20235 Nordhoff Street, Chatsworth, California, 91311 USA
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