GS80301 Right Stuff™ Gasket Maker
March 21, 2018
AF81110 ’68-’73 472 / 500 Premium Re-manufactured Stock Heads Small chamber 76cc
March 22, 2018
RB51110 Silvolite Cast Replacement Pistons With Pins for Cadillac 472, 500, and 425 Engines
$595.00
Silvolite cast replacement pistons for Cadillac 472, 500, and 425 Engines, with pins.
Available in standard (STD), .020″, .030″, .040″, and .060″ over bore sizes.
Silvolite cast replacement pistons for Cadillac 472, 500, and 425 Engines, with pins.
Available in standard (STD), .020″, .030″, .040″, and .060″ over bore sizes.
Warning! Standard bore pistons may or may not fit the existing bore in your block, regardless of condition. Measure before ordering.
Please check for compatibility with your year / cylinder head / stroke before ordering.
Available for the following configurations:
472: ’68-’73 / 76cc heads 8.5:1 CR (’71-’73 472 stock replacement)
500: ’74-’76 / 120cc heads 8.25:1 CR (’74-’76 500 stock replacement)
425: ’77-’79 / 92cc (425) heads 8.2:1 CR (’77-’79 stock replacement)
These pistons do not have valve reliefs, and have no more valve-to-piston clearance than a true flat top piston (like the originals).
These pistons are compatible with standard ring packages.
| Weight | 320 oz |
|---|---|
| Dimensions | 30 × 13 × 13 in |
| Engine / Stroke | 472 / 4.060", 500 / 4.300", 425 / 4.060 |
| Head Year / Chamber Size | '68-'73 / 76cc (& Alum.), '74-'76 / 120cc, '77-'79 / 92cc |
| Bore Size | STD, .020, .030, .040, .060 |
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