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SMALL BLOCK CHEVY
BIG BLOCK CHEVY
FORD
MOPAR
BUICK
NHRA
BIG BLOCK TALL DECK INV. DOME

Same pistons as above with compression height figured using 10.180" "tall deck" height with zero deck clearance. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings.

Includes:
Pin #990-2930-18-51S (174g)
Double spiro locks (#990-042-CS)

Big Block Chevy Inverted Dome Series
Std Bore: 427/454 = 4.250, 502 BBC = 4.466
Ring package designed for: 1/16, 1/16, 3/16 Rings

 Tech and Installation Tips
 Valve Relief Diagram
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
110cc 118cc 124cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
131670 525 4.310 4.500 6.535 10.180 1.395 9.0 8.6 8.2 -14.5 636 B 0.060 J100F8-4310-5
181994 572 4.500 4.500 6.535 10.180 1.395 8.9 8.5 8.2 -28.0 612 B 0.034 J100F8-4500-5
181995 580 4.530 4.500 6.535 10.180 1.395 9.0 8.6 8.3 -28.0 630 B 0.064 J100F8-4530-5
181996 587 4.560 4.500 6.535 10.180 1.395 9.1 8.7 8.4 -28.0 627 B 0.094 J100S8-4560-5
181997 598 4.600 4.500 6.535 10.180 1.395 9.2 8.8 8.5 -28.0 644 B 0.134 J100L8-4600-5

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