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BIG BLOCK 427 APBA DOME

Designed specifically for use with APBA-approved Dart Pro-1 cylinder heads, these pistons laser engraved with the APBA logo and part number.

Includes:
Pin # 990-2930-15-51S (150g)
Double Spiro Locks (# 990-042-CS)
Double Pin Oilers
Accumulator Grooves
BBC 427 APBA
Std Bore: 4.250
Ring package designed for: 1/16, 1/16, 3/16 Rings
 Tech and Installation Tips
 Valve Relief Diagram
Part # Cubic
Inches		 Bore Stroke Rod
Length		 Compression
Distance
Head Cubic Centimeters
112cc 118cc 124cc
Compression Ratio
Dome
Volume		 Gram
Weight		 Footnote Oversize
262808 427 4.250 3.766 6.135 1.765 13.2 12.2 11.4 50 NEW STD
262809 433 4.280 3.766 6.135 1.765 13.3 12.4 11.6 50 NEW 0.030
265366 440 4.310 3.766 6.135 1.765 13.5 12.5 11.7 50 NEW 0.060


- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.

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