Rotating Kit 427 13.2:1 Compression Chevy Small Block 427SBLS7HC

Rotating Kit 427 Small Block Chevy 13.2:1 compression for World Products Motown/LS SBC block with LS7 heads

Stroke 4.000" x Rod 6.125"ARP 2000 bolts x Piston 4.125"1.115C.H. +1cc Dome 13.2:1 w/64cc  (picture is a temporary pic and does not represent brands) 

Compression calculated: 9.240" deck, 4.125" bore, +1cc dome, .000" PTD, 4.165"x.041"(9.0cc)Gasket, 64cc chamber

• Crankshaft: 4.000" 350 main 4340 non-twist lightweight forged steel crankshaft (#85028)  
• Connecting Rods: 6.125" 4340 forged steel H-beam connecting rod with optional 7/16" ARP 2000 cap screws (#CR6130A)
  
• Pistons: JE 4.125" x 1.115" CH +1cc dome 2618 forged aluminum series pistons
• Wrist Pins: JE Premium chromoly wrist pins.
• Rings: JE 1.2mm-1.5mm-3mm piston rings (#JG31F8-4125-2)
• Bearings: Clevite high-performance "H" series rod (narrowed) and main bearings.

Compression Ratios:

64cc chamber = 13.2:1

70cc chamber = 12.2:1