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WINDSOR 302/351W INVERTED DOME PROFESSIONAL SERIES

    PISTON DESIGN
  • Advanced, lightweight FSR forging that eliminates stress concentrations for superior strength
  • Up to 20% lighter than traditional equivalent
  • High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance and quiet operation
  • Accumulator grooves for improved ring seal
  • Designed for normally aspirated or moderate forced induction/nitrous applications
  • Now includes high performance skirt coating!
    RINGS INCLUDED
  • Lightweight, low friction metric ring package included
  • 1.2mm top ring, 1.5mm Napier 2nd ring, 3.0mm standard tension oil ring
  • Napier 2nd ring for improved oil control
  • Minimal filing required

    PINS AND LOCKS
  • High quality 2.250" pin further reduces reciprocating weight
  • Carbon steel wire locks included
Professional Series Inverted Dome - 302 Block
Std Bore: 4.000
Ring package: 1.2mm, 1.5mm, 3.0mm Premium Rings Included
Part # CID Bore Stroke Rod
Lgth.		 Block
Ht.		 Comp.
Ht.
Head Cubic Centimeters
58cc 64cc 70cc
Compression Ratio
Dome
Vol.		 Gram
Wt.		 Footnote Oversize Recom.
Ring Set
279672 347 4.030 3.400 5.400 8.200 1.100 9.9 9.3 8.7 -12.5 372 B 0.030 JG31F8-4030-2
279673 316 4.030 3.100 5.400 8.180 1.230 8.5 8.0 7.6 -19 395 0.030 JG31F8-4030-2
279674 316 4.040 3.100 5.400 8.180 1.230 8.6 8.1 7.6 -19 399 M 0.040 JG31F8-4040-2


Professional Series Inverted Dome - 351W Block
Std Bore: 4.000
Ring package: 1.2mm, 1.5mm, 3.0mm Premium Rings Included
Part # CID Bore Stroke Rod
Lgth.		 Block
Ht.		 Comp.
Ht.
Head Cubic Centimeters
58cc 64cc 70cc
Compression Ratio
Dome
Vol.		 Gram
Wt.		 Footnote Oversize Recom.
Ring Set
279672 434 4.030 4.250 6.250 9.475 1.100 12.2 11.4 10.7 -12.5 372 B 0.030 JG31F8-4030-2
279673 418 4.030 4.100 6.200 9.480 1.230 11.0 10.3 9.7 -19 395 0.030 JG31F8-4030-2
279674 420 4.040 4.100 6.200 9.480 1.230 11.0 10.4 9.8 -19 399 M 0.040 JG31F8-4040-2
279673 408 4.030 4.000 6.250 9.480 1.230 10.7 10.1 9.5 -19 395 0.030 JG31F8-4030-2
291056 408 4.030 4.000 6.200 9.500 1.300 10.7 10.1 9.5 -19 405 0.030 JG31F8-4030-2
279674 410 4.040 4.000 6.250 9.480 1.230 10.7 10.1 9.5 -19 399 0.040 JG31F8-4040-2

- 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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