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chevy-big-block-srp-open-chamber-bbc-427-single-piston
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Chevy Big Block SRP OPEN CHAMBER BBC 427 - ***Single Piston***

Price: $107.43

Select Size:

  • Bore
  • Comp. Ht.
  • Volume Dome CC
  • 4.28mm = 0.169in 1.765 48cc
  • 4.31mm = 0.170in 1.765 48cc

Weight: 0.01 lb

Sku: 158830S

Weight:

SKU:



$101.80

  • APBA® Approved.
  • Forged from Premium 2618 aluminum alloy
  • CNC machined domes with radiused valve reliefs provide optimum flame travel
  • Forced Pin Oiler for increased wrist pin lubrication
  • Pin fitting and double spiro locks included
  • 990-2930-150 wall wrist pin (150 grams) included
  • CNC Machined ring grooves accept 1/16, 1/16, 3/16 rings (Rings Sold Seperately)

 

 

Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters 112cc 118cc 124cc Compression Ratio Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
158830 433 4.28 3.76 6.135 9.78 1.765 13 12.1 11.3 48cc 699 0.03 S100S8-4280-5
162840 439 4.31 3.76 6.135 9.78 1.765 13.1 12.2 11.4 48cc 717 0.06 S100S8-4310-5

 

 


Top Compression Ring Thickness 0.0640
Second Compression Ring Thickness 0.0640
Oil Ring Thickness 0.188
Forging Type FSR
Series SRP
Piston Head Type Dome
Pin Diameter (IN) 0.990
Make CHEVROLET
Wrist Pin Style - floating or press fit Floating
Wall Type STRAIGHT
Wall Thickness (IN) 0.150
Ringset Part Number S100S8-4280-5
Ring Brand ProSeal
Ringset Included No
Retainer Thickness 0.042
Retainer Lock Style Spiro Lock
Retainer Lock Part Number 990-042-CS
Retainer Diameter (IN) 0.990
Piston Pin Inside Diameter 0.690
Piston Material 2618
Piston Pin Length (IN) 2.930
Piston Avg Wt 715
Pin Offset No
Pin Brand JE Pistons
Pin Part Number 990-2930-15-51S
Pin Included Yes
Pin Diameter (mm) 25.15
Oil Rail Support Included No
Deck Clearance 0.000
Brand SRP